로그인 페이지 및 기능 구현

frontend/lib/main.dart

@@ -7,6 +7,7 @@ import 'package:go_router/go_router.dart';
 import 'package:google_fonts/google_fonts.dart';
 import 'package:flutter_web_plugins/url_strategy.dart';
 import 'features/auth/presentation/login_screen.dart';
+import 'features/auth/presentation/signup_screen.dart';
 import 'features/auth/presentation/approve_qr_screen.dart';
 import 'features/auth/presentation/qr_scan_screen.dart';
 import 'features/dashboard/presentation/dashboard_screen.dart';
@@ -83,6 +84,13 @@ final _router = GoRouter(
         return const LoginScreen();
       }
     ),
+    GoRoute(
+      path: '/signup',
+      builder: (context, state) {
+        _routerLogger.info("Navigating to /signup");
+        return const SignupScreen();
+      },
+    ),
     GoRoute(
       path: '/verify/:token',
       builder: (context, state) {
@@ -121,6 +129,7 @@ final _router = GoRouter(
 
     // Public paths that don't require login
     final isPublicPath = path == '/login' || 
+                         path == '/signup' ||
                          path.startsWith('/verify/') || 
                          path == '/approve';