added main permission group feature

frontend/src/App.jsx

@@ -9,6 +9,7 @@ import SpaceDetail from './pages/SpaceDetail'
 import Impressum from './pages/Impressum'
 import Profile from './pages/Profile'
 import Users from './pages/Users'
+import Permissions from './pages/Permissions'
 import Login from './pages/Login'
 import AuditLogs from './pages/AuditLogs'
 
@@ -71,6 +72,7 @@ const AppContent = () => {
               <Route path="/impressum" element={<ProtectedRoute><Impressum /></ProtectedRoute>} />
               <Route path="/profile" element={<ProtectedRoute><Profile /></ProtectedRoute>} />
               <Route path="/settings/users" element={<ProtectedRoute><Users /></ProtectedRoute>} />
+              <Route path="/settings/permissions" element={<ProtectedRoute><Permissions /></ProtectedRoute>} />
               <Route path="/audit-logs" element={<ProtectedRoute><AuditLogs /></ProtectedRoute>} />
             </Routes>
           </div>