LaTeX tutorial suggestion

[ttmc]

"The Tectonic authors have to admit that it’s been a long, long time since they’ve needed a LaTeX tutorial, so they’re not sure what the best resources are. Consider making a suggestion in a new GitHub issue if you’ve got one!"

I've got one:

https://www.overleaf.com/learn/latex/Learn_LaTeX_in_30_minutes

Note: I used Overleaf in the past and have no affiliation with them or their employees.