Even better fixtures...
Update .editorconfig
Remove unrequired watch on Checklist Controller
Minor frontend updates

-Refactor next/prev slug methods on Phase Controller
- Use an anchor instead of a button element for the restart checklist button as it makes more sense
[WIP] Model/Serialiser updates

- Added a published field to the checklist model
- Started trying to work out how to make the API only return aircraft that have at least 1 published checklist
Remove dead code from admin.py