feat: account manager (#468)

* feat: account manager

* remove dep

* some fixes

* migrate accounts

* reimplement clearCookie

lib/utils/accounts/account_adapter.dart

@@ -0,0 +1,48 @@
+import 'package:cookie_jar/cookie_jar.dart';
+import 'package:hive/hive.dart';
+
+import '../storage.dart';
+import 'account.dart';
+
+class LoginAccountAdapter extends TypeAdapter<LoginAccount> {
+  @override
+  final int typeId = 9;
+
+  @override
+  LoginAccount read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return LoginAccount(
+      fields[0] as DefaultCookieJar,
+      fields[1] as String?,
+      fields[2] as String?,
+      (fields[3] as List?)?.cast<AccountType>().toSet(),
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, LoginAccount obj) {
+    writer
+      ..writeByte(4)
+      ..writeByte(0)
+      ..write(obj.cookieJar)
+      ..writeByte(1)
+      ..write(obj.accessKey)
+      ..writeByte(2)
+      ..write(obj.refresh)
+      ..writeByte(3)
+      ..write(obj.type.toList());
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is LoginAccountAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}