AppBar and Header components

lib/components/heading.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+
+class GymLinkHeader extends StatelessWidget {
+  final String title;
+  const GymLinkHeader({super.key, required this.title});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 20),
+      child: Column(
+        children: [
+          Row(
+            children: [
+              IconButton(
+                  onPressed: () => Navigator.pop(context),
+                  icon: const Icon(Icons.arrow_back)),
+              Text(title, style: Theme.of(context).textTheme.titleLarge),
+            ],
+          ),
+          const Divider(thickness: 1, height: 0),
+        ],
+      ),
+    );
+  }
+}