feat: add admin user management features and update user repository methods

- Implemented updateRoles, updateSanctions, and deleteUser methods in both in-memory and PostgreSQL user repositories.
- Enhanced UserSanctions and UserServerRestriction interfaces to include additional properties.
- Added AdminView component for admin functionalities including user lookup, role management, sanctions application, and profile management.
- Integrated admin token handling in TRPC client for secure API requests.
- Updated routing to include admin dashboard and linked it in the default layout.

app/gateway-frontend/src/router/index.ts

@@ -1,6 +1,7 @@
 import { createRouter, createWebHistory } from 'vue-router';
 import HomeView from '../views/HomeView.vue';
 import LobbyView from '../views/LobbyView.vue';
+import AdminView from '../views/AdminView.vue';
 
 const router = createRouter({
   history: createWebHistory(import.meta.env.BASE_URL),
@@ -15,6 +16,11 @@ const router = createRouter({
       name: 'lobby',
       component: LobbyView,
     },
+    {
+      path: '/admin',
+      name: 'admin',
+      component: AdminView,
+    },
   ],
 });