Implemented schema/main.yml und config/main.yml file

roles/web-app-listmonk/config/main.yml

@@ -0,0 +1,17 @@
+images:
+  listmonk:                 "listmonk/listmonk:latest"
+public_api_activated:       False                                 # Security hole. Can be used for spaming
+version:                    "latest"                              # Docker Image version
+features:
+  matomo:                   true
+  css:                      false
+  portfolio_iframe:         true
+  central_database:         true
+  oidc:                     true
+domains:
+  canonical:
+    - "newsletter.{{ primary_domain }}"
+docker:
+  services:
+    database:
+      enabled: true