port flake settings to nix settings

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

users/alice/systems/artemision/fingerprint.nix

@@ -1,4 +1,9 @@
-{ config, lib, pkgs, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 
 # borrowed from https://github.com/NixOS/nixpkgs/issues/171136
 # and https://wiki.archlinux.org/title/fprint#Login_configuration

users/alice/systems/configuration.nix

@@ -9,4 +9,29 @@
   imports = [ ./non-server.nix ];
 
   services.fwupd.enable = true;
+
+  nix.settings = {
+    substituters = [
+      "https://cache.nixos.org/?priority=1&want-mass-query=true"
+      "https://attic.alicehuston.xyz/cache-nix-dot?priority=4&want-mass-query=true"
+      "https://cache.alicehuston.xyz/?priority=5&want-mass-query=true"
+      "https://nix-community.cachix.org/?priority=10&want-mass-query=true"
+    ];
+    trusted-substituters = [
+      "https://cache.nixos.org"
+      "https://attic.alicehuston.xyz/cache-nix-dot"
+      "https://cache.alicehuston.xyz"
+      "https://nix-community.cachix.org"
+    ];
+    trusted-public-keys = [
+      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      "cache.alicehuston.xyz:SJAm8HJVTWUjwcTTLAoi/5E1gUOJ0GWum2suPPv7CUo=%"
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      "cache-nix-dot:0hp/F6mUJXNyZeLBPNBjmyEh8gWsNVH+zkuwlWMmwXg="
+    ];
+    trusted-users = [
+      "root"
+      "@wheel"
+    ];
+  };
 }