chore : add loading lottie file

packages/core/lib/presentation/common/assets.gen.dart

@@ -12,6 +12,16 @@ import 'package:flutter/widgets.dart';
 import 'package:flutter_svg/flutter_svg.dart' as _svg;
 import 'package:vector_graphics/vector_graphics.dart' as _vg;
 
+class $AssetsAnimGen {
+  const $AssetsAnimGen();
+
+  /// File path: assets/anim/loading.json
+  String get loading => 'assets/anim/loading.json';
+
+  /// List of all assets
+  List<String> get values => [loading];
+}
+
 class $AssetsIconsGen {
   const $AssetsIconsGen();
 
@@ -524,6 +534,7 @@ class $AssetsVecGen {
 class Assets {
   const Assets._();
 
+  static const $AssetsAnimGen anim = $AssetsAnimGen();
   static const $AssetsIconsGen icons = $AssetsIconsGen();
   static const $AssetsImagesGen images = $AssetsImagesGen();
   static const $AssetsLogosGen logos = $AssetsLogosGen();