🐛 Fix rendered example (#6)

The component in `Rendering a Vue Instance` renders to a `div` tag, not a `p` tag.

Author: Snugug

en/basic.md

@@ -30,7 +30,7 @@ const renderer = require('vue-server-renderer').createRenderer()
 renderer.renderToString(app, (err, html) => {
   if (err) throw err
   console.log(html)
-  // => <p data-server-rendered="true">hello world</p>
+  // => <div data-server-rendered="true">hello world</div>
 })
 ```