Grid missing when installing development dependencies

[gabrielasd]

It seems Grid was not in PyPI when we first released AtomDB and we are missing this dependency when running
pip install .[dev]

This bug only affect people working on the development of the package, but it is a simple fix, just uncomment L70 in the project.toml file:

AtomDB/pyproject.toml

Lines 69 to 70 in 464f116

	# TODO: uncomment when grid is available on PyPI
	# "qc-grid",

[msricher]

@enjyashraf otherwise see https://github.com/theochem/grid