INFRA: Set Up Project.

lib/controllers/refer_friend_controller.dart

@@ -0,0 +1,25 @@
+import 'package:customer/models/referral_model.dart';
+import '../service/fire_store_utils.dart';
+import 'package:get/get.dart';
+
+class ReferFriendController extends GetxController {
+  Rx<ReferralModel> referralModel = ReferralModel().obs;
+
+  RxBool isLoading = true.obs;
+
+  @override
+  void onInit() {
+    // TODO: implement onInit
+    getData();
+    super.onInit();
+  }
+
+  Future<void> getData() async {
+    await FireStoreUtils.getReferralUserBy().then((value) {
+      if (value != null) {
+        referralModel.value = value;
+      }
+    });
+    isLoading.value = false;
+  }
+}