Update simple.jsx

Author: KevinBrother

docs/examples/simple.jsx

@@ -2,4 +2,15 @@ import React from 'react';
 import Pagination from 'rc-pagination';
 import '../../assets/index.less';
 
-export default () => <Pagination simple defaultCurrent={1} total={50} />;
+export default () => (
+  <>
+    <Pagination simple defaultCurrent={1} total={50} />
+    <br />
+    <Pagination
+      simple
+      defaultCurrent={1}
+      total={50}
+      showTotal={(total) => `Total ${total} items`}
+    />
+  </>
+);