Monorepo for Tangled tangled.org

let collaborators add, change and remove label definitions #4743

Merged ptr.pet
targeting master from dwn/collab-labeldef
Merged opened by and assigned to ptr.pet
targeting master from dwn/collab-labeldef
Commits 2

knot2/{knot-cobs,knot-xrpc},docs: let collaborators add, change and remove label definitions
web/labels: let collaborators add and delete labels from the sidebar and settings