Optimized RBAC implementation

roles/docker-wordpress/vars/configuration.yml

@@ -39,3 +39,15 @@ csp:
 domains:
   canonical:
     - "blog.{{ primary_domain }}"
+rbac:
+  roles:
+    subscriber:
+      description: "Can read posts and leave comments but cannot write or manage content"
+    author:
+      description: "Can write and manage own posts"
+    contributor:
+      description: "Can write and submit posts for review but cannot publish"
+    editor:
+      description: "Can publish and manage all posts, including those by other users"
+    administrator:
+      description: "Has full administrative access: manage themes, plugins, settings, and users"