add listview

Author: yangshangzhi

docs/widget/scrollview/gridview/bd.md

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+import 'package:efox_flutter/components/widgetComp.dart' as WidgetComp;
+
+class Index extends StatefulWidget {
+  static String title = 'GridView';
+  static String mdUrl = 'docs/widget/scrollview/gridview/index.md';
+  static String codeUrl = 'docs/widget/scrollview/gridview/code.md';
+  static String originCodeUrl = 'https://flutter.io/docs/cookbook/lists/grid-lists';
+
+  @override
+  _IndexState createState() => new _IndexState();
+}
+
+class _IndexState extends State<Index> {
+  @override
+  Widget build(BuildContext context) {
+    return WidgetComp.Index(
+      title: Index.title,
+      codeUrl: Index.codeUrl,
+      originCodeUrl: Index.originCodeUrl,
+      mdUrl: Index.mdUrl,
+      demoChild: [
+      ]
+    );
+  }
+}