Improve documentation (#349)

* Improve documentation content
* Improve documentation style

docs/src/theme/Icon/Home/index.js

@@ -0,0 +1,5 @@
+import React from 'react';
+import { TbHome } from 'react-icons/tb';
+export default function IconHome(props) {
+  return <TbHome size={14} />;
+}