Installation and pyproject.toml

[sjehuda]

To facilitate installation, could we add a PyProject configuration file?

$ pip install git+https://github.com/JohnMaguire/Cardinal.git
Collecting git+https://github.com/JohnMaguire/Cardinal.git
  Cloning https://github.com/JohnMaguire/Cardinal.git to /tmp/pip-req-build-j0mz76xf
  Running command git clone --filter=blob:none --quiet https://github.com/JohnMaguire/Cardinal.git /tmp/pip-req-build-j0mz76xf
  Resolved https://github.com/JohnMaguire/Cardinal.git to commit f74b0eceda818d19494f217897e5be4f43f168b8
ERROR: git+https://github.com/JohnMaguire/Cardinal.git does not appear to be a Python project: neither 'setup.py' nor 'pyproject.toml' found.