[docs] Add fish version of the set-up command

[vthemelis]

No description provided.

[ConnorGray]

Thanks for this contribution @vthemelis!😄

This looks good to me, but I've requested @scottamain or @arthurevans on our docs team to give this a look as well as they know more about that area than me.

[scottamain]

Awesome thank you!

[ConnorGray]

Hi @vthemelis, before we can merge this PR our tooling requires that this baseline commit is present in the history of this branch.

Could you rebase your branch onto the latest nightly branch and then force push it to update this PR?

That should be as simple as:

# Update your local copy of nightly
$ git checkout nightly
$ git pull

# Rebase your branch to incorporate latest nightly commits
$ git checkout fish-get-started
$ git rebase nightly

# Push your updated branch to this PR
$ git push --force

Thanks you again for contributing this, and apologies for this additional work! This should be a one-time thing, as any future PRs will likely include that baseline commit after you've updated your nightly branch once.

[ConnorGray]

✅🟣 This contribution has been merged 🟣✅

Thanks for this 🐟 y contribution 😉 @vthemelis! 😄

Your pull request has been merged to the internal upstream Mojo sources. It will be reflected here in the Mojo repository on the nightly branch during the next Mojo nightly release, typically within the next 24-48 hours.

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