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/standard/DataPrivacyDialog.vue

@@ -11,13 +11,14 @@
         @ok="handleOk"
         name="DataPrivacyDialog"
     >
-        <div v-html="dataPrivacyContent"></div>
+        <div v-html="sanitizedContent"></div>
     </DialogWidget>
 </template>
 
 <script>
 import DialogWidget from '../../components/DialogWidget.vue';
 import content from '../../content/content.js';
+import DOMPurify from 'dompurify';
 
 export default {
     name: 'DataPrivacyDialog',
@@ -29,6 +30,11 @@ export default {
             dataPrivacyContent: content.dataPrivacy[this.$i18n.locale]
         };
     },
+    computed: {
+        sanitizedContent() {
+            return DOMPurify.sanitize(this.dataPrivacyContent);
+        }
+    },
     watch: {
         '$i18n.locale'(newLocale) {
             this.dataPrivacyContent = content.dataPrivacy[newLocale];