feat: make web versions of man page more easily discoverable

[CouldBeThis]

#471 was resolved and now there is a man page shipping with eza. However, that will take time to percolate out to various distribution channels. Most are a few version behind on eza and some still only have exa. Additionally, sometimes the web is preferable to terminal help. The man pages are tucked away in the repo and not easily findable.

A link to https://github.com/eza-community/eza/tree/main/man could be added to

• this repo's readme.md
• eza.rocks website
  • Probably just having the whole man pages on the website would be best; if there is some way to automatically update with the release?

It also occurs to me that given the fast development of eza and the lag of distribution via package managers, it might make sense to assist users in identifying their version and send them to the appropriate documentation. I see you can browse the man directory by tags. Would that be a realiable way to do it?

[cafkafk]

I'd certainly be willing to look more into this when I have time (re: the website). PRs that link to the man pages in the readme are very welcome in the meanwhile, not sure what the best way to do versions is, but maybe by tags for now?.