Use correct version number into examples (#94)

* Use correct version number into examples

* Adapt example to use fqdn roles names

Co-authored-by: Julian Vanden Broeck <julian.vandenbroeck@dalibo.com>

README.md

@@ -24,7 +24,7 @@ Collection to setup and manage components of the Icinga software stack.
 You can easily install the collection with the `ansible-galaxy` command.
 
 ```
-ansible-galaxy collection install git+https://github.com/Icinga/ansible-collection-icinga.git,v0.1.0
+ansible-galaxy collection install git+https://github.com/Icinga/ansible-collection-icinga.git,0.1.0
 ```
 
 Or if you are using Tower or AWX add the collection to your requirements file.
@@ -33,7 +33,7 @@ Or if you are using Tower or AWX add the collection to your requirements file.
 collections:
   - name: https://github.com/Icinga/ansible-collection-icinga.git
     type: git
-    version: v0.1.0
+    version: 0.1.0
 ```
 
 ## Usage
@@ -42,9 +42,7 @@ To use the collection in your playbooks, add the collections and then use the ro
 
 ```
 - hosts: icinga-server
-  collections:
-    - icinga.icinga
   roles:
-    - repos
-    - icinga2
+    - icinga.icinga.repos
+    - icinga.icinga.icinga2
 ```