feat: login api

lib/common/api/api_client.dart

@@ -25,6 +25,7 @@ class ApiClient {
 
   ApiClient(this._dio, this._env) {
     _dio.options.baseUrl = _env.baseUrl;
+    _dio.options.validateStatus = (status) => status! < 500;
     _dio.options.connectTimeout = const Duration(seconds: 20);
     _dio.interceptors.add(BadNetworkErrorInterceptor());
     _dio.interceptors.add(BadRequestErrorInterceptor());

lib/common/constant/local_storage_key.dart

@@ -1,3 +1,5 @@
 class LocalStorageKey {
   static const String lang = 'lang';
+  static const String token = 'token';
+  static const String user = 'user';
 }

lib/common/url/api_path.dart

@@ -0,0 +1,3 @@
+class ApiPath {
+  static const String login = '/api/v1/auth/login';
+}