opt login

Signed-off-by: dom <githubaccount56556@proton.me>

lib/models/common/login_type.dart

@@ -0,0 +1,14 @@
+import 'package:PiliPlus/models/common/enum_with_label.dart';
+import 'package:flutter/material.dart' show Icon, Icons;
+
+enum LoginType with EnumWithLabel {
+  psw('密码', Icon(Icons.password)),
+  qrcode('二维码', Icon(Icons.qr_code)),
+  cookie('Cookie', Icon(Icons.cookie_outlined));
+
+  @override
+  final String label;
+  final Icon icon;
+
+  const LoginType(this.label, this.icon);
+}