feat: build and deploy to gh pages

[ariostas]

Added a workflow to build and deploy to GitHub Pages. Before we merge this PR, someone with admin rights needs to go to the settings of this repo and set the pages source to GitHub Actions.

[netlify]

✅ Deploy Preview for nimble-pothos-1ee962 ready!

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[ariostas]

Also, we need to disable the netlify thing.

[klieret]

Just let me know and I can disable netlify. Though isn't it useful to have preview builds for the PRs? That's something that github doesn't get you.

[klieret]

I've given you admin priviledges

[ariostas]

Though isn't it useful to have preview builds for the PRs? That's something that github doesn't get you.

@klieret Yeah, that's true. I guess we could just leave the netlify stuff running if you don't mind keeping it on your account (I don't know if they charge you or anything).

[klieret]

The netlify is running on free tier, so I don't mind just having that running :)

[klieret]

Feel free to just merge PRs when you see fit!

[ariostas]

The netlify is running on free tier, so I don't mind just having that running :)

Thank you, @klieret. Jim said there's an AWS thing (paid-for by IRIS-HEP) that's used to generate previews for other IRIS-HEP projects, so I'll talk to him about implementing that. I'll let you know if we end up moving away from netlify.