Thanks! The documentation team is busy working on it right now :) You can check out https://nix.dev and https://wiki.nixos.org - both are relatively new. There are also lots of improvements in developer documentation for Nix and nixpkgs in the last year.
Me
https://lemmy.ml/pictrs/image/7a45dced-c0a3-4d12-a333-6ef2073986e2.jpeg
My gf
https://lemmy.ml/pictrs/image/f3994570-b559-4c67-9fb8-9c212140bf5a.jpeg