fix(ssr): verdrahte clear_cache Hooks für content/medialib/navigation/comment/tag

SSR-Cache wurde nach PUT/POST/DELETE nicht geleert, /de lieferte alte Bilder. Return-Hooks nach sportident-Muster.

api/collections/comment.yml

@@ -34,6 +34,18 @@ hooks:
     read:
       type: javascript
       file: hooks/filter_public.js
+  post:
+    return:
+      type: javascript
+      file: hooks/clear_cache.js
+  put:
+    return:
+      type: javascript
+      file: hooks/clear_cache.js
+  delete:
+    return:
+      type: javascript
+      file: hooks/clear_cache.js
 
 indexes:
   - name: content_active