Fix bad interpreter and add local user for demo

.docker/config/broker/create-user.sh

@@ -10,6 +10,6 @@ cat /etc/kafka/kafka.properties
 
 echo "Create admin user"
 kafka-storage format --config /etc/kafka/kafka.properties \
- --cluster-id MkU3OEVBNTcwNTJENDM2Qk \
- --add-scram 'SCRAM-SHA-512=[name=admin,password=admin]' \
- --ignore-formatted
+  --cluster-id MkU3OEVBNTcwNTJENDM2Qk \
+  --add-scram 'SCRAM-SHA-512=[name=admin,password=admin]' \
+  --ignore-formatted

.docker/config/kafkactl/config.yml

@@ -3,8 +3,8 @@ kafkactl:
     - context:
         api: http://ns4kafka:8080
         namespace: myNamespace
-        user-token: gitlabToken
+        user-token: admin
       name: local
   current-namespace: myNamespace
   api: http://ns4kafka:8080
-  user-token: gitlabToken
+  user-token: admin

.docker/config/ns4kafka/application.yml

@@ -20,6 +20,11 @@ kafka:
 ns4kafka:
   security:
     admin-group: "ns4kafka"
+    local-users:
+      - username: gitlab
+        password: 8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918
+        groups:
+          - "ns4kafka"
   managed-clusters:
     local:
       manage-users: true