added linkPhone use cases, auth repository providers and data folder

apps/mobile_app/lib/config/env/env.dart

@@ -2,6 +2,7 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 
 class Env {
   static String get apiBaseUrl => dotenv.env['API_BASE_URL'] ?? '';
+  static String get apiOrigin => dotenv.env['API_ORIGIN'] ?? '';
 
   // static String get apiKey => dotenv.env['API_KEY'] ?? '';
 }

apps/mobile_app/lib/config/env/questia_env_config.dart

@@ -4,6 +4,8 @@ import 'env.dart';
 class QuestiaEnvConfig implements EnvConfig {
   @override
   String get apiBaseUrl => Env.apiBaseUrl;
+  @override
+  String get apiOrigin => Env.apiOrigin;
 
   // @override
   // String get apiKey => Env.apiKey;

apps/mobile_app/lib/navigation/app_router.dart

@@ -15,7 +15,7 @@ late final GoRouter appRouter;
 void configureAppRouter() {
   appRouter = GoRouter(
     navigatorKey: rootNavigatorKey,
-    initialLocation: AppRoutes.linkPhone,
+    initialLocation: AppRoutes.login,
     debugLogDiagnostics: true,
     routes: [
       GoRoute(
@@ -35,13 +35,13 @@ void configureAppRouter() {
       ),
       GoRoute(
         path: AppRoutes.linkPhone,
-        name: 'link_phone',
-        pageBuilder: LinkPhoneBuilder().buildPage,
+        name: 'request_link_phone',
+        pageBuilder: RequestLinkPhoneBuilder().buildPage,
       ),
       GoRoute(
         path: AppRoutes.phoneCode,
-        name: 'phone_code',
-        pageBuilder: PhoneCodeBuilder().buildPage,
+        name: 'Verify_link_phone_code',
+        pageBuilder: VerifyLinkPhoneCodeBuilder().buildPage,
       ),
       GoRoute(
         path: AppRoutes.recoverPassword,