Merge pull request 'Implemented pull down refresh widget' (#3) from Vaibhav_Task-#118 into main

Reviewed-on: #3

lib/helpers/widgets/my_refresh_wrapper.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+
+class MyRefreshWrapper extends StatelessWidget {
+  final Future<void> Function() onRefresh;
+  final Widget child;
+  final EdgeInsetsGeometry? padding;
+
+  const MyRefreshWrapper({
+    Key? key,
+    required this.onRefresh,
+    required this.child,
+    this.padding,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return RefreshIndicator(
+      onRefresh: onRefresh,
+      backgroundColor: Colors.red, // Set background color to red
+      color: Colors.white, // Set spinner color to white
+      child: SingleChildScrollView(
+        padding: padding,
+        physics: const AlwaysScrollableScrollPhysics(),
+        child: child,
+      ),
+    );
+  }
+}