add homepage

lib/module/config/config_page.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class ConfigPage extends StatefulWidget {
+  const ConfigPage({Key? key}) : super(key: key);
+
+  @override
+  _ConfigPageState createState() => _ConfigPageState();
+}
+
+class _ConfigPageState extends State<ConfigPage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold();
+  }
+}