Add:创建 flutter go web 版

lib/widgets/elements/Form/Text/RichText/demo.dart

@@ -1,31 +0,0 @@
-/// Created with Android Studio.
-/// User: 三帆
-/// Date: 14/01/2019
-/// Time: 19:02
-/// email: sanfan.hx@alibaba-inc.com
-/// target:  xxx
-
-import 'package:flutter/material.dart';
-
-class RichTextDemo extends StatefulWidget {
-  _Demo createState() => _Demo();
-}
-
-class _Demo extends State<RichTextDemo> {
-  @override
-  Widget build(BuildContext context) {
-    return Container(
-      color: Color(0xff000000),
-      width: 750.0,
-      child:  RichText(
-        text: TextSpan(
-          text: 'Hello ',
-          children: <TextSpan>[
-            TextSpan(text: 'bold', style: TextStyle(fontWeight: FontWeight.bold, color: Color(0xfffffc42))),
-            TextSpan(text: ' world!', style: TextStyle(fontStyle: FontStyle.italic)),
-          ],
-        ),
-      ),
-    );
-  }
-}

lib/widgets/elements/Form/Text/RichText/index.dart

@@ -1,39 +0,0 @@
-import 'package:flutter/material.dart';
-
-import 'package:flutter_go/components/widget_demo.dart';
-import 'package:flutter_go/widgets/elements/Form/Text/RichText/demo.dart';
-
-const String intro = """
-### **简介**
-
-> 具有复杂样式的文本显示组件
-
-在富文本使用多个不同风格的widget显示文本。要显示的文本使用TextSpan对象树来描述，每个对象都有一个用于该子树的关联样式。文本可能会跨越多行，也可能全部显示在同一行上，具体取决于布局约束。
-
-无论是Text或者Text.rich, 查看源代码发现. 都是由RichText构建出来
-
-
-### **基本用法**
-我们可以让一段文本通过使用不同的TextSpan显示不同的样式。比如我们让"Hello beautiful world"的每个单词都显示不同的样式.
-
-""";
-
-
-class Demo extends StatefulWidget {
-  static const String routeName = '/element/Form/Text/RichText';
-  _Demo createState() => _Demo();
-}
-
-class _Demo extends State<Demo> {
-  @override
-  Widget build(BuildContext context) {
-    return WidgetDemo(
-      title: 'Rich Text',
-      docUrl: 'https://docs.flutter.io/flutter/widgets/RichText-class.html',
-      codeUrl: 'elements/Form/Text/RichText/index.dart',
-      contentList: [
-        intro,
-        RichTextDemo(),
-      ]);
-  }
-}