add: dependency_injection.dart

app/lib/controller/dependency_injection.dart

+
+import 'package:get/get.dart';
+import 'package:app/controller/network_controller.dart';
+
+class DependencyInjection {
+  static void init() {
+    Get.put<NetworkController>(NetworkController(), permanent:true);
+  }
+}
\ No newline at end of file