Fix broken links

Signed-off-by: Tamal Saha <tamal@appscode.com>

docs/guides/elasticsearch/backup/kubedb/index.md

@@ -20,7 +20,7 @@ Stash 0.9.0+ supports backup and restoration of Elasticsearch clusters. This gui
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore Elasticsearch databases, please check the following guide [here](/docs/guides/elasticsearch/backup/overview/index.md).
 
 You have to be familiar with following custom resources:

docs/guides/mariadb/backup/logical/cluster/index.md

@@ -20,7 +20,7 @@ Stash `v0.11.8+` supports backup and restoration of MariaDB databases. This guid
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster.
 - Install KubeDB operator in your cluster from [here](https://kubedb.com/docs/latest/setup).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore MariaDB databases, please check the following guide [here](/docs/guides/mariadb/backup/overview/index.md).
 
 You have to be familiar with following custom resources:

docs/guides/mariadb/backup/logical/standalone/index.md

@@ -20,7 +20,7 @@ Stash `v0.11.8+` supports backup and restoration of MariaDB databases. This guid
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster.
 - Install KubeDB operator in your cluster from [here](https://kubedb.com/docs/latest/setup).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore MariaDB databases, please check the following guide [here](/docs/guides/mariadb/backup/overview/index.md).
 
 You have to be familiar with following custom resources:

docs/guides/mongodb/backup/logical/replicaset/index.md

@@ -20,7 +20,7 @@ Stash supports taking [backup and restores MongoDB ReplicaSet clusters in "idiom
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by using Minikube.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore MongoDB databases, please check the following guide [here](/docs/guides/mongodb/backup/overview/index.md).
 
 You have to be familiar with following custom resources:

docs/guides/mongodb/backup/logical/sharding/index.md

@@ -20,7 +20,7 @@ Stash 0.9.0+ supports taking [backup](https://docs.mongodb.com/manual/tutorial/b
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by using Minikube.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore MongoDB databases, please check the following guide [here](/docs/guides/mongodb/backup/overview/index.md).
 
 You have to be familiar with following custom resources:

docs/guides/mongodb/backup/logical/standalone/index.md

@@ -20,7 +20,7 @@ Stash 0.9.0+ supports backup and restoration of MongoDB databases. This guide wi
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by using Minikube.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore MongoDB databases, please check the following guide [here](/docs/guides/mongodb/backup/overview/index.md).
 
 You have to be familiar with following custom resources:

docs/guides/mysql/backup/standalone/index.md

@@ -20,7 +20,7 @@ Stash 0.9.0+ supports backup and restoration of MySQL databases. This guide will
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by using Minikube.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore MySQL databases, please check the following guide [here](/docs/guides/mysql/backup/overview/index.md).
 
 You have to be familiar with following custom resources:

docs/guides/percona-xtradb/backup/cluster/index.md

@@ -20,7 +20,7 @@ Stash 0.9.0+ supports backup and restoration of Percona XtraDB cluster databases
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by using Minikube.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash takes backup and restores Percona XtraDB, please check the following guide [here](/docs/guides/percona-xtradb/backup/overview/index.md).
 
 You have to be familiar with the following custom resources:

docs/guides/percona-xtradb/backup/standalone/index.md

@@ -20,7 +20,7 @@ Stash 0.9.0+ supports backup and restoration of Percona XtraDB databases. This g
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by using Minikube.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash takes backup and restores Percona XtraDB databases, please check the following guide [here](/docs/guides/percona-xtradb/backup/overview/index.md).
 
 You have to be familiar with the following custom resources:

docs/guides/postgres/backup/standalone/index.md

@@ -21,7 +21,7 @@ Stash 0.9.0+ supports backup and restoration of PostgreSQL databases. This guide
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by using Minikube.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore PostgreSQL databases, please check the following guide [here](/docs/guides/postgres/backup/overview/index.md):
 
 You have to be familiar with following custom resources:

docs/guides/redis/backup/standalone/index.md

@@ -20,7 +20,7 @@ Stash 0.9.0+ supports backup and restoration of Redis databases. This guide will
 - At first, you need to have a Kubernetes cluster, and the `kubectl` command-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by using Minikube.
 - Install KubeDB in your cluster following the steps [here](/docs/setup/README.md).
 - Install Stash Enterprise in your cluster following the steps [here](https://stash.run/docs/latest/setup/install/enterprise/).
-- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl_plugin/).
+- Install Stash `kubectl` plugin following the steps [here](https://stash.run/docs/latest/setup/install/kubectl-plugin/).
 - If you are not familiar with how Stash backup and restore Redis databases, please check the following guide [here](/docs/guides/redis/backup/overview/index.md):