feat: Cache

flake.nix

@@ -1,6 +1,17 @@
 {
   description = "My system configuration";
 
+  nixConfig = {
+    extra-substituters = [
+      "https://cache.garnix.io"
+      "https://hyprland.cachix.org"
+    ];
+    extra-trusted-public-keys = [
+      "cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g="
+      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+    ];
+  };
+
   inputs = {
 
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";