Add about page

lib/features/common/runtime_details.dart

@@ -0,0 +1,37 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:hiddify/utils/utils.dart';
+import 'package:package_info_plus/package_info_plus.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'runtime_details.freezed.dart';
+part 'runtime_details.g.dart';
+
+// TODO implement clash version
+@Riverpod(keepAlive: true)
+class RuntimeDetailsNotifier extends _$RuntimeDetailsNotifier with AppLogger {
+  @override
+  Future<RuntimeDetails> build() async {
+    final packageInfo = await PackageInfo.fromPlatform();
+    return RuntimeDetails(
+      version: packageInfo.version,
+      buildNumber: packageInfo.buildNumber,
+      installerStore: packageInfo.installerStore,
+      clashVersion: "",
+    );
+  }
+}
+
+@freezed
+class RuntimeDetails with _$RuntimeDetails {
+  const RuntimeDetails._();
+
+  const factory RuntimeDetails({
+    required String version,
+    required String buildNumber,
+    String? installerStore,
+    required String clashVersion,
+  }) = _RuntimeDetails;
+
+  factory RuntimeDetails.fromJson(Map<String, dynamic> json) =>
+      _$RuntimeDetailsFromJson(json);
+}