feat(chat): add chat room management functionality

- Created new chat schema in the database.
- Implemented chat room model with necessary fields (title, ownerId, roomTypeId, etc.).
- Added room type model and rights model for chat functionality.
- Developed API endpoints for managing chat rooms, including create, edit, and delete operations.
- Integrated chat room management into the admin interface with a dedicated view and dialog for room creation/editing.
- Added internationalization support for chat room management UI.
- Implemented autocomplete for victim selection in underground activities.
- Enhanced the underground view with new activity types and political target selection.

backend/models/index.js

@@ -99,6 +99,12 @@ import ElectionHistory from './falukant/log/election_history.js';
 import UndergroundType from './falukant/type/underground.js';
 import Underground from './falukant/data/underground.js';
 
+import Room from './chat/room.js';
+import ChatUser from './chat/user.js';
+import ChatRight from './chat/rights.js';
+import ChatUserRight from './chat/user_rights.js';
+import RoomType from './chat/room_type.js';
+
 const models = {
   SettingsType,
   UserParamValue,
@@ -197,6 +203,11 @@ const models = {
   ElectionHistory,
   UndergroundType,
   Underground,
+  Room,
+  ChatUser,
+  ChatRight,
+  ChatUserRight,
+  RoomType,
 };
 
 export default models;