Added first draft of login and tour select page

lib/ui/page/tour.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+
+class TourPage extends StatefulWidget {
+  const TourPage({super.key});
+
+  @override
+  State<StatefulWidget> createState() => _TourPageState();
+}
+
+class _TourPageState extends State<TourPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text("Lieferungen")),
+      body: Center(child: const Text("HI")),
+    );
+  }
+}