Added CodeEmbed component to embed code snippets in markdowns

docs/src/components/Icon/index.js

@@ -0,0 +1,9 @@
+// @site/src/components/Icon.js
+import React from 'react';
+import { Icon as IconifyIcon } from '@iconify/react';
+
+const IIcon = ({ icon, color, width = '24', height = '24' }) => (
+  <IconifyIcon icon={icon} color={color} width={width} height={height} />
+);
+
+export default IIcon;