chore(formatting): autoformats and adaptations

lib/main.dart

@@ -73,11 +73,12 @@ class _MyHomePageState extends State<MyHomePage> {
       _counter++;
     });
   }
+
   // TODO :find a better way to show the list
   void show_result(Future<List<String>> future_id) async {
     var tmp = await future_id;
     id = tmp[0];
-    setState(() { });
+    setState(() {});
   }
 
   @override
@@ -123,12 +124,14 @@ class _MyHomePageState extends State<MyHomePage> {
               style: Theme.of(context).textTheme.headlineMedium,
             ),
             Text('API key from ENV is $API_KEY'),
-            MaterialButton(onPressed: () { show_result(ApiHandler.findStations('S Biesdorf')); setState(() {}); },
-              child: Text(
-                  'Search for \'S Biesdorf\''
-              ),
+            MaterialButton(
+              onPressed: () {
+                show_result(ApiHandler.findStations('S Biesdorf'));
+                setState(() {});
+              },
+              child: Text('Search for \'S Biesdorf\''),
             ),
-            Text(id)
+            Text(id),
           ],
         ),
       ),
@@ -139,4 +142,4 @@ class _MyHomePageState extends State<MyHomePage> {
       ),
     );
   }
-}
+}