Add password reset localization and chat configuration

- Implemented German and English localization for password reset functionality.
- Added WebSocket URL resolution logic in chat services to support various environments and configurations.
- Created centralized chat configuration for event keys and payload mappings.
- Developed RoomsView component for admin chat room management, including create, edit, and delete functionalities.

frontend/src/dialogues/socialnetwork/UserProfileDialog.vue

@@ -67,7 +67,7 @@
                         <div v-for="entry in guestbookEntries" :key="entry.id" class="guestbook-entry">
                             <img v-if="entry.image" :src="entry.image.url" alt="Entry Image"
                                 style="max-width: 400px; max-height: 400px;" />
-                            <p v-html="entry.contentHtml"></p>
+                            <p v-html="sanitizedContent(entry)"></p>
                             <div class="entry-info">
                                 <span class="entry-timestamp">{{ new Date(entry.createdAt).toLocaleString() }}</span>
                                 <span class="entry-user">
@@ -96,6 +96,7 @@ import apiClient from '@/utils/axios.js';
 import FolderItem from '../../components/FolderItem.vue';
 import { Editor, EditorContent } from '@tiptap/vue-3'
 import StarterKit from '@tiptap/starter-kit'
+import DOMPurify from 'dompurify';
 
 export default {
     name: 'UserProfileDialog',
@@ -369,7 +370,10 @@ export default {
             } else {
                 this.friendshipState = 'waiting';
             }
-        }
+        },
+        sanitizedContent(entry) {
+            return DOMPurify.sanitize(entry.contentHtml);
+        },
     }
 };
 </script>