Provide Homebrew packages

[notunrandom]

Hello,

Providing Homebrew packages would greatly simplify installation of the cardano-node (and other Cardano tools).

I've provided a completely functional Homebrew tap for the cardano-node 10.5.1 (and CLI):

https://github.com/notunrandom/homebrew-cardano

I wondered whether you would like to upstream this? I can't provide it as a pull request because by definition, this would require you to create a new repository (intersectMBO/homebrew-cardano).

With a few small changes to your build/release process you could even try to promote this to an official Homebrew package rather than a Third-party tap.

I'm happy to help if you are interested.