feat(core): add fastfetch to home packages

home/emmatherock/core.nix

@@ -1,3 +1,4 @@
+{ pkgs, ... }:
 {
   imports = [
     ./git.nix
@@ -13,6 +14,9 @@
     enable = true;
     nix-direnv.enable = true;
   };
+  home.packages = with pkgs; [
+    fastfetch
+  ];
 
   home.stateVersion = "25.11";
 }