feat(phase-22): add import services for Sigma, LOLBAS, GTFOBins, CALDERA, Elastic and data sources panel (T-203 to T-207)

frontend/src/App.tsx

@@ -11,6 +11,7 @@ import ReportsPage from "./pages/ReportsPage";
 import SystemPage from "./pages/SystemPage";
 import UsersPage from "./pages/UsersPage";
 import AuditLogPage from "./pages/AuditLogPage";
+import DataSourcesPage from "./pages/DataSourcesPage";
 import Layout from "./components/Layout";
 import ProtectedRoute from "./components/ProtectedRoute";
 
@@ -61,6 +62,14 @@ export default function App() {
             </ProtectedRoute>
           }
         />
+        <Route
+          path="/data-sources"
+          element={
+            <ProtectedRoute roles={["admin"]}>
+              <DataSourcesPage />
+            </ProtectedRoute>
+          }
+        />
       </Route>
 
       {/* Catch-all → dashboard */}