add some packages to server

devices/home-server/configuration.nix

@@ -1,4 +1,4 @@
-{ ... }:
+{ pkgs, ... }:
 {
   imports = [ ./hardware-configuration.nix ];
 
@@ -7,6 +7,11 @@
     "flakes"
   ];
 
+  environment.systemPackages = with pkgs; [
+    git
+    vim
+  ];
+
   services = {
     adguardhome = {
       enable = true;