Improve readability of badges

[rht]

Can be viewed at https://github.com/rht/mesa/blob/readme/README.md. Based on the README.md of https://github.com/pypa/hatch.

[quaquel]

Looks good to me.

[EwoutH]

Looks good!

Noticed the Python version badge only displays 3.9 and 3.10, probably needs updating in the pyproject.toml.

[EwoutH]

Can we disable those required CI runs? They don't work because those jobs don't run on documentation changes.

[Corvince]

Can we disable those required CI runs? They don't work because those jobs don't run on documentation changes.

Yes that would be good, this has happened several times already. But this requires an admin to make the change, I think that's currently @jackiekazil or @tpike3

[EwoutH]

Another item for:

• Increase bus factor to at least 3 among all Mesa components #1962

[tpike3]

Another item for:

• Increase bus factor to at least 3 among all Mesa components #1962

Fair point, I will raise the issue