Add android separates the core process

Support core status check and force restart

Optimize proxies page and access page

Update flutter and pub dependencies

Update go version

Optimize more details

lib/common/preferences.dart

@@ -16,7 +16,7 @@ class Preferences {
   Preferences._internal() {
     SharedPreferences.getInstance()
         .then((value) => sharedPreferencesCompleter.complete(value))
-        .onError((_, __) => sharedPreferencesCompleter.complete(null));
+        .onError((_, _) => sharedPreferencesCompleter.complete(null));
   }
 
   factory Preferences() {
@@ -42,10 +42,7 @@ class Preferences {
 
   Future<bool> saveConfig(Config config) async {
     final preferences = await sharedPreferencesCompleter.future;
-    return await preferences?.setString(
-          configKey,
-          json.encode(config),
-        ) ??
+    return await preferences?.setString(configKey, json.encode(config)) ??
         false;
   }