add some config to project and change come simple ui

lib/component/webview/webview_number_component.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../../provider/web_provider.dart';
+
+class WebViewNumberComponent extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return _WebViewNumberComponent();
+  }
+}
+
+class _WebViewNumberComponent extends State<WebViewNumberComponent> {
+  @override
+  Widget build(BuildContext context) {
+    return Selector<WebProvider, int>(builder: (context, length, child) {
+      return Badge(
+        label: Text("$length"),
+        backgroundColor:
+            Colors.blueAccent, // TODO here should use background color
+        child: Icon(Icons.crop_din),
+      );
+    }, selector: (context, provider) {
+      return provider.webInfos.length;
+    });
+  }
+}