[#43960107] Errors alerts are removed after a position form is reset.
[#43960107] Positions are served from backend.
[#43960107] Positions can now be created from the frontend
[#43960107] Positions can be seen on the frontend
[#43960107] Existing positions can be opened from the frontend

But clicking save will do horrendous things right now
[#43960107] Existing positions gracefully refuse to be edited

Unimplemented feature
[finishes #43960107] Existing positions can be deleted