This is a personal guide for how to setup Fish & Ruby in macOS Monterey running on an Apple/Silicon M1.
asdf is used as a version manager for Node and Ruby.
Go to https://brew.sh/ and run the script.
On this version of macOS, it installs to /opt/homebrew.
This means that paths that reference /usr/local/share should instead reference /opt/homebrew/opt/<package-name>/share.
This can be a little confusing when following guides.