docs: Update README to improve "getting started" #41
Description
krunvm is really cool.
However, the README seems out of date in a few ways:
- You don't have to use coprs for Fedora anymore.
- Other distros aren't mentioned.
- There's no guide on how to use krunvm.
The video demo does have some examples, but these should be in the README as well.
I was reminded of krunvm from this Mastodon post: https://mastodon.xyz/@slp@fosstodon.org/110034266022052998 which mentions not just Fedora, but openSUSE, AUR for Arch, and new instructions for macOS M1/M2.