first pass at toolforge build service
I'm going to merge this and mess around with it, given that the docs indicate building directly from a git remote.
- Add a Procfile
- Use TOOL_DATA_DIR
- Add gunicorn to requirements.txt
- Some line-width tweaks
Reference:
- https://wikitech.wikimedia.org/wiki/Help:Toolforge/Build_Service
- https://wikitech.wikimedia.org/wiki/Help:Toolforge/Build_Service/My_first_Buildpack_Python_tool
Bug: T365665
Edited by Brennen Bearnes