Feature custom part status

[webdevinition]

Hello @jbtronics,

In relation to #1051 the feature for custom part states.
Also mentioned in the discussion under #1041, section 3.

I am grateful for integration!

Best regards,
Marcel

[jbtronics]

My preliminary remarks from a quick look at the PR:

• What is the advantage of having the custom states as its own entity over just putting that into a tag? (Or just an additional text field in the part)?
• The two migrations should probably be merged. I dont see much reason to have it split in two.
• You should add tests, to ensure the admin pages are available and everything behaves like intended
• Something has broken the existing tests.

[webdevinition]

@jbtronics, please excuse me for not getting back to you on this matter yet.
It has not been forgotten, and feedback will follow in any case.