Add android battery optimizations settings

lib/services/platform_settings.dart

@@ -0,0 +1,32 @@
+import 'package:flutter/services.dart';
+import 'package:fpdart/fpdart.dart';
+import 'package:hiddify/utils/utils.dart';
+
+class PlatformSettings with InfraLogger {
+  late final MethodChannel _methodChannel =
+      const MethodChannel("com.hiddify.app/platform.settings");
+
+  TaskEither<String, bool> isIgnoringBatteryOptimizations() {
+    return TaskEither(
+      () async {
+        loggy.debug("checking battery optimization status");
+        final result = await _methodChannel
+            .invokeMethod<bool>("is_ignoring_battery_optimizations");
+        loggy.debug("is ignoring battery optimizations? [$result]");
+        return right(result!);
+      },
+    );
+  }
+
+  TaskEither<String, bool> requestIgnoreBatteryOptimizations() {
+    return TaskEither(
+      () async {
+        loggy.debug("requesting ignore battery optimization");
+        final result = await _methodChannel
+            .invokeMethod<bool>("request_ignore_battery_optimizations");
+        loggy.debug("ignore battery optimization result: [$result]");
+        return right(result!);
+      },
+    );
+  }
+}