feat(ui): put homepage title back into appbar on top

lib/main.dart

@@ -705,20 +705,13 @@ class _JourneyOverviewPageState extends State<JourneyOverviewPage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
+      appBar: AppBar(
+        title: Text("Your Journeys"),
+      ),
       body: Center(
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            Container(
-              padding: EdgeInsets.only(left: 30, top: 50),
-              width: 500.0,
-              height: 100.0,
-              child: FittedBox(
-                fit: BoxFit.contain,
-                alignment: Alignment.center,
-                child: Text("Your Journeys"),
-              ),
-            ),
             FutureBuilder(
               future: loadJourneys(),
               builder: (context, snapshot) {

lib/transport_helper.dart

@@ -1183,4 +1183,4 @@ enum VehicleType {
   subway,
   regionalTrain,
   PLACEHOLDER,
-}
+}