feat: implement child route management for client and staff modules; enhance routing structure for better navigation

apps/mobile/packages/features/client/client_coverage/lib/src/coverage_module.dart

@@ -1,4 +1,5 @@
 import 'package:flutter_modular/flutter_modular.dart';
+import 'package:krow_core/core.dart';
 import 'package:krow_data_connect/krow_data_connect.dart';
 import 'data/repositories_impl/coverage_repository_impl.dart';
 import 'domain/repositories/coverage_repository.dart';
@@ -31,6 +32,7 @@ class CoverageModule extends Module {
 
   @override
   void routes(RouteManager r) {
-    r.child('/', child: (_) => const CoveragePage());
+    r.child(ClientPaths.childRoute(ClientPaths.coverage, ClientPaths.coverage),
+        child: (_) => const CoveragePage());
   }
 }