hello-world page edit

hello-world.mdx

@@ -3,6 +3,10 @@ name: Hello world
 route: /
 ---
 
+import { Button, EditButton} from './hello-world'
+
+# Button
+<EditButton />
 
 
 # Hello world!
@@ -11,4 +15,4 @@ I'm a documentation page, using MDX, created using [docz](https://docz.site) and
 
 You can learn how to deploy a docz project from [the now-examples GitHub repository](https://github.com/zeit/now-examples/tree/master/docz)!
 
-docz + gogs + Jenkins 
+docz + gogs + nodejs + now