I recently made webaccessibility.guide - A curated collection of web accessibility tips, tricks, and best practices.
If anyone is interested in contributing to it, you can easily add your own tips & tricks by following contributor guidelines.
Do you know the a11y project? Your aims seem to converge. Perhaps you can join efforts :) Other than that, nice project!
I would recommend writing the tips in HTML instead of having the site generated itself through JS
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