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.

frontend/src/router/adminRoutes.js

@@ -1,5 +1,6 @@
 import AdminInterestsView from '../views/admin/InterestsView.vue';
 import AdminContactsView from '../views/admin/ContactsView.vue';
+import ChatRoomsView from '../views/admin/ChatRoomsView.vue';
 import ForumAdminView from '../dialogues/admin/ForumAdminView.vue';
 import AdminFalukantEditUserView from '../views/admin/falukant/EditUserView.vue'
 
@@ -22,6 +23,12 @@ const adminRoutes = [
         component: ForumAdminView,
         meta: { requiresAuth: true }
     },
+    {
+        path: '/admin/chatrooms',
+        name: 'AdminChatRooms',
+        component: ChatRoomsView,
+        meta: { requiresAuth: true }
+    },
     {
         path: '/admin/falukant/edituser',
         name: 'AdminFalukantEditUserView',