清除所有历史版本以减少仓库大小

lib/views/widgets/RenderObjectWidget/SingleChildRenderObjectWidget/Padding.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+
+//    {
+//      "widgetId": 74,
+//      "name": 'Padding基本使用',
+//      "priority": 1,
+//      "subtitle":
+//          "【child】 : 孩子组件   【Widget】\n"
+//          "【padding】 : 内四边距   【EdgeInsetsGeometry】",
+//    }
+class CustomPadding extends StatelessWidget {
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      color: Colors.grey.withAlpha(22),
+      width: 200,
+      height: 150,
+      child: Padding(
+        padding: EdgeInsets.all(20),
+        child: _buildChild(),
+      ),
+    );
+  }
+
+  Widget _buildChild() {
+    return Container(
+      alignment: Alignment.center,
+      color: Colors.cyanAccent,
+      width: 100,
+      height: 100,
+      child: Text("孩子"),
+    );
+  }
+}