builds-api: create the harbor project beforehand if it does not exist
- add function to convert from toolforge tool name to harbor name format
- add function that attempts to create the project on harbor
- add neccessary tests
- add config
Depends-On: toolforge-deploy!69 (merged) Bug: T337386 Signed-off-by: Ndibe Raymond Olisaemeka rolisaemeka-ctr@wikimedia.org