initial commit

lib/controllers/settings_controller.dart

@@ -0,0 +1,16 @@
+import "package:args/args.dart";
+import "package:matrixgate/models/settings.dart";
+import "package:riverpod/riverpod.dart";
+
+class SettingsController extends Notifier<Settings?> {
+  @override
+  Settings? build() => null;
+
+  void set(ArgResults args) => state = Settings.fromJson(<String, dynamic>{
+    for (final opt in args.options) opt: args.option(opt),
+  });
+
+  static final provider = NotifierProvider<SettingsController, Settings?>(
+    SettingsController.new,
+  );
+}