Associations fixes and some maintenance

We fixed some association fields and general improvements all-round

Update your partials, a few bugfixes, and quality-of-life improvements

New target on NavigationLinkComponent, moved the link into the `_logo` partial and a few more improvements

Custom fields & Trix attachments in the 🏠 house

This release brings custom fields, progress field, Trix attachments and a few improvements and bugfixes.

KeyValue field is back

KeyValue field is back. YAML lang added to the Code field. Removed Webpacker as a dependency in the testing environment