changed structure of 'keys'

README.md

@@ -14,14 +14,31 @@ development note: Define these variables in the defaults/main.yml or vars/main.y
 * packaging_repositories
   * description:
     * This is a list of dictionaries for the reporsitories of a package management and contains some information about them.
-    * Every list entry has following keys by default:
-      - name: name of the repository as string (optional)
-      - url: URL of the repository as string (default: 1. system_local_mirror, 2. system_home_mirror)
-      - enabled: activation state of the repository as boolean (default: true)
-      - release: release(-name) of the repository as string (required)
-      - subrepos: list of subrepos (optional)
-      - options: list of options (optional)
     * The keys of each entry can be extended depending on the package manangement.
+    * keys:
+      * name
+        * description:
+          * name of the repository as string
+        * default: ''
+      * url
+        * description:
+          * URL of the repository as string
+        * default: 1. system_local_mirror, 2. system_home_mirror
+      * enabled
+        * description:
+          * activation state of the repository as boolean
+        * default: true
+      * release
+        * description:
+          * release(-name) of the repository as string (required)
+      * subrepos
+        * description:
+          * list of subrepos
+        * default: []
+      * options
+        * description:
+          * list of options
+        * default: []
   * default: []