* Start on field setup modal
* Add field-setup first pane
* Add interface options support
* Use updated button to add field
* Add interface and display selection and options
* Add advanced options form
* Use field name in settings
* Hide titles when editing existing field
* Add disabled handler for next / previous
* ...
* Show error on failed saves
* Rename name to field
* Fix arrow inline styles
* Fix show-arrow
* Rework tab logic to use named tabs (makes dynamic relationship tab work)
* Make it pass tests
