Add drawer menu widget

lib/widgets/drawer_menu.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+import 'package:frosty/screens/settings.dart';
+
+class DrawerMenu extends StatelessWidget {
+  const DrawerMenu({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Drawer(
+      child: ListView(
+        children: [
+          const DrawerHeader(
+            child: Center(
+              child: Text('Frosty for Twitch'),
+            ),
+          ),
+          ListTile(
+            leading: const Icon(Icons.settings),
+            title: const Text('Settings'),
+            onTap: () {
+              Navigator.push(
+                context,
+                MaterialPageRoute(
+                  builder: (_) {
+                    return const Settings();
+                  },
+                ),
+              );
+            },
+          )
+        ],
+      ),
+    );
+  }
+}