Make project installable via pip

[Ramen-Noodle]

Add a setup.py and pyproject.toml for pip installation

[trel]

we'll get it pushed to the irods namespace - don't worry about that part once you get it configured.

excited!

[alanking]

Leaving a note here that we are still contemplating the package name before release.

[trel]

current code-in-PR is packaged as irods-http and importable as irods_http