more common stuff, prep for merge

modules/nixos/common.nix

@@ -47,6 +47,6 @@
   services.openssh.enable = true;
 
   environment.systemPackages = with pkgs; [
-    vim wget git helix nixd nixfmt btop fastfetch lazygit
+    vim wget git helix nixd nixfmt btop fastfetch lazygit file disktui busybox nmap screen
   ];
 }