feat(hapi): switched the peer dependency to the scoped version

BREAKING CHANGE: the hapi peer dependency has been switched to the modern, scoped version. switch
your dependency from `hapi` to `@hapi/hapi`

Author: travi

example/app.js

@@ -1,4 +1,4 @@
-import Glue from 'glue';
+import Glue from '@hapi/glue';
 import manifest from './manifest';
 
 export default Glue.compose(manifest, {relativeTo: __dirname})