feat(ui/browser):添加确认按钮

app/src/main/res/menu/web_view.xml

@@ -2,6 +2,12 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <item
+        android:id="@+id/menu_ok"
+        android:icon="@drawable/ic_check"
+        android:title="@string/ok"
+        app:showAsAction="always" />
+
     <item
         android:id="@+id/menu_open_in_browser"
         android:title="@string/open_in_browser"