POST /api/packages/add

This can be a remove package or a local package.

Supported formats:

httpx httpx==0.27.0 httpx>=0.27.0 git+https://github.com/encode/httpx https://files.pythonhosted.org/packages/5c/2d/3da5bdf4408b8b2800061c339f240c1802f2e82d55e50bd39c5a881f47f0/httpx-0.27.0.tar.gz /example/foo-0.1.0-py3-none-any.whl