Update README to add note Fedora offers this in the distribution now

[Conan-Kudo]

This is expected to land in Fedora within a week, as I've proposed them to all Fedora stable releases now:

• Fedora 34: https://bodhi.fedoraproject.org/updates/FEDORA-2021-658d17845d
• Fedora 33: https://bodhi.fedoraproject.org/updates/FEDORA-2021-2dd528357c
• Fedora 32: https://bodhi.fedoraproject.org/updates/FEDORA-2021-c977302a80

[maharmstone]

Cheers!