feat :

1 - empty_widget
2- loading_widget
3 - use this widget in list_view widget
4 - fix some bug in list_view_widget
5 - add some feature in list_view_widget

packages/core/lib/presentation/widget/empty_widget.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+import 'package:rasadyar_core/core.dart';
+
+class EmptyWidget extends StatelessWidget {
+  const EmptyWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Expanded(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          Row(),
+          Assets.icons.empty.svg(width: 156.w, height: 156.h),
+          Text('داده ای یافت نشد', style: AppFonts.yekan20.copyWith(color: AppColor.textColor)),
+        ],
+      ),
+    );
+  }
+}

packages/core/lib/presentation/widget/list_view/list_view.dart

@@ -0,0 +1,3 @@
+
+export 'r_shimmer_list.dart';
+export 'r_paginated_list_view.dart';

packages/core/lib/presentation/widget/loading_widget.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+import 'package:rasadyar_core/core.dart';
+
+class LoadingWidget extends StatelessWidget {
+  const LoadingWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Expanded(child: Center(child: Assets.anim.loading.lottie(
+      width: 120.w,
+      height: 120.h,
+    )));
+  }
+}