Final update on the RFC.
The repo is up and populated and ready for contributions. Please read the repository readme for details.
https://github.com/tianocore/edk2-pytool-library
An initial Pypi release has been made
https://pypi.org/project/edk2-pytool-library/
And CI & pull request builds are active on Windows and Linux
https://dev.azure.com/tianocore/edk2-pytools-library/_build?definitionId=4
Thanks
Sean