How to configure secrets?

[codeskin-r]

I'm a bit confused; I've never used that and I don't need to. When I install your flakes, I get errors like that and I don't know what to do.

[linuxmobile]

I get errors like that and I don't know what to do

This is because I assume you have at least some basic knowledge to get started with NixOS, and especially with someone else's flake.

I've never used that and I don't need to

If you don't need it, just remove it and you're all set