https://snowfall.org/guides/lib/quickstart/
https://snowfall.org/reference/lib/

https://flakehub.com/flake/snowfallorg/lib

https://github.com/snowfallorg/lib

samples
https://github.com/jakehamilton/config

2024
IogaMaster - Snowfall | Flakes made EASY of 2:44
    https://www.youtube.com/watch?v=C4_P2wVbdFU
2023
JakeHamilton - NixOS Flake Tour 0:00 of 23:35
    https://www.youtube.com/watch?v=ARjAsEJ9WVY
https://discourse.nixos.org/t/snowfall-lib-v2/33015