Add "robots" noindex meta

[alxndrmlr]

Suggesting that we add

<meta name="robots" content="noindex">

To the layout.blade.php

You can add it yourself via the @include('nova::partials.meta') however it seems like its a sane default to have for an internal tool

[davidhemphill]

This has been added and will be included in the next release. 👍