feat(migrate): 将之前写好的部件迁移了过来

lib/news.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+import 'layout/LayoutScaffold.dart';
+
+class News extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return LayoutScaffold(
+      appBar: AppBar(
+        title: const Text('资讯'),
+      ),
+      body: null,
+    );
+  }
+}