Pull down to refresh (yw lingy)

lib/fetcher.dart

@@ -24,10 +24,14 @@ class _FetchAPIState extends State<FetchAPI> {
                 fetchedArrivals = fetchArrivals();
               });
             },
-            icon: const Icon(Icons.refresh_rounded))
+            icon: const Icon(Icons.refresh_sharp),
+          ),
+          const SizedBox(width: 30,),
         ],
       ),
-      body: Column(
+      body: RefreshIndicator(
+        onRefresh: _refreshData,
+        child: Column(
           mainAxisAlignment: MainAxisAlignment.start,
           children: [
             Expanded(
@@ -68,9 +72,16 @@ class _FetchAPIState extends State<FetchAPI> {
             const SizedBox(height: 35,),
           ],
         ),
+      ),
     );
   }
 
+  Future<void> _refreshData() async {
+    setState(() {
+      fetchedArrivals = fetchArrivals();
+    });
+  }
+
   @override
   void initState() {
     super.initState();