Sidebar menu and settings page skeleton

lib/main.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:wetter/components/compact_weather_data.dart';
+import 'package:wetter/components/main_menu.dart';
 import 'package:wetter/models/daily_weather_model.dart';
 import 'package:wetter/services/brightsky_api_service.dart';
 
@@ -25,7 +26,7 @@ class _MyAppState extends State<MyApp> {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Fetch Data Example',
+      title: 'Wetter',
       theme: ThemeData(
         primarySwatch: Colors.blue,
         textTheme: const TextTheme(
@@ -38,6 +39,7 @@ class _MyAppState extends State<MyApp> {
           appBar: AppBar(
             title: const Text('Wetter in Harburg'),
           ),
+          drawer: const NavBar(),
           body: RefreshIndicator(
               onRefresh: () {
                 return Future(() {