Initialized Auth pages for future work

Implemented Login functionality

lib/features/auth/model/token.dart

@@ -0,0 +1,31 @@
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+
+class Token {
+  static const String loginAccessToken = 'access_token';
+  static const String loginRefreshToken = 'refreshToken';
+
+  final String accessToken;
+  final String refreshToken;
+
+  Token.emptyConstructor()
+      : accessToken = '',
+        refreshToken = '';
+
+  Token(
+    this.accessToken,
+    this.refreshToken,
+  );
+
+  Token.refreshToken(this.refreshToken) : accessToken = '';
+
+  factory Token.fromJson(Map<String, dynamic> json) {
+    //save token to secure storage
+    var storage = const FlutterSecureStorage();
+    storage.write(key: loginAccessToken, value: json[loginAccessToken] ?? '');
+
+    //create token object ?
+    return Token(json[loginAccessToken] ?? '', json[loginRefreshToken] ?? '');
+  }
+
+  Map<String, String> toJson() => {loginRefreshToken: refreshToken};
+}