Enhance Sidebar with new menu items for materials management and update TypeScript configuration. Add subjects and materials APIs to the API index. Introduce new routes for materials and subjects with appropriate guards.

src/router/index.tsx

@@ -103,6 +103,8 @@ const Roles = lazy(() => import('@/pages/Roles'))
 const Posts = lazy(() => import('@/pages/Posts'))
 const Comments = lazy(() => import('@/pages/Comments'))
 const Groups = lazy(() => import('@/pages/Groups'))
+const MaterialSubjects = lazy(() => import('@/pages/MaterialSubjects'))
+const Materials = lazy(() => import('@/pages/Materials'))
 const Forbidden = lazy(() => import('@/pages/Forbidden'))
 const NotFound = lazy(() => import('@/pages/NotFound'))
 
@@ -191,6 +193,26 @@ export const router = createBrowserRouter([
           </ModeratorGuard>
         ),
       },
+      {
+        path: 'materials/subjects',
+        element: (
+          <AdminGuard>
+            <Suspense fallback={<PageLoader />}>
+              <MaterialSubjects />
+            </Suspense>
+          </AdminGuard>
+        ),
+      },
+      {
+        path: 'materials',
+        element: (
+          <AdminGuard>
+            <Suspense fallback={<PageLoader />}>
+              <Materials />
+            </Suspense>
+          </AdminGuard>
+        ),
+      },
     ],
   },
   {