I know a few depending on what your needs are. What features are you specifically looking for?
rn looking for where the thumbnails open up into a lightboxed full image that can be navigated w arrow keys/clicks, kinda like tumblr image sets
The closest I can find is this one: https://jakechirak.com/howto/makeyourownwebsite/codegallery . It's pretty easy and straight forward to set up and you can create your own assets for the arrow keys/"exit" button.
No problem! There's two other ones I know of (though, both are a pain to set up compared to the one I sent :V) so let me know if you'd like to see the other ones!
expfectections is a good word and I can relate to wanting to focus on single tasks... or flow state as I believe it's sometimes called.
@bmh i've been meaning to read that book ikigai about it but the multitasking keeps me from reading... what to do