add deploy instructions

[StevenClontz]

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https://d80a572e.tbil.pages.dev

[StevenClontz]

self-merging as technical documentation update

[StevenClontz]

Well I guess I don't have that superpower (easily) here, so tagging @siwelwerd lol

[siwelwerd]

Who is the audience for this documentation? My guess is its about 2 or 3 people, in which case I wonder if a tab in the README on the front page of the repository is the place for it.

Alternative suggestions are a lowercase filename (so Github doesn't make a tab for it) or in the wiki.

[StevenClontz]

I have no problem making lowercase so it doesn't become a tab (I didn't realize that was the behavior -- I thought only a finite list of filenames got tabs), but I would prefer not to have to search the git history to find where this info was deleted from the README in the future. (-: And I'd rather be able to do it from my dev environment, without going out to the wiki.

[StevenClontz]

I don't think DEPLOYING.md gets a tab:

[StevenClontz]

I built from this branch, but somehow it didn't build the missing outcome. Investigating.

[StevenClontz]

Looks like it was probably my user error in the upload to AWS -- I see the build did work locally. Leaving this open and draft until I get it fixed (but my plane is finally boarding).

[siwelwerd]

I don't think DEPLOYING.md gets a tab:

Oh, perfect then. I had internalized that the capital letter ones got tabs.

I would prefer not to have to search the git history to find where this info was deleted from the README in the future.

It was deleted as part of #925 after languishing for a few months awaiting review 🫠

[StevenClontz]

I think the problem earlier was just an issue of caching. I can confirm https://library.tbil.org/2026/precalculus/exercises/#/bank/TR4/1/ is working.

[StevenClontz]

It was deleted as part of #925

Yeah, I'd clocked that. I like having it tucked away like this rather than being on the front README.