feat(whitby): Install a handful of systemPackages

Adds more things I keep using via nix-shell, as well as the
deploy-whitby script (which is independent of a particular depot
checkout).

Change-Id: I36f87de7645768a05268c90ba9b3ab833bacca05
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4881
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>

ops/machines/whitby/default.nix

@@ -445,24 +445,32 @@ in {
 
   services.fail2ban.enable = true;
 
-  environment.systemPackages = with pkgs; [
+  environment.systemPackages = (with pkgs; [
+    alacritty.terminfo
+    bat
     bb
     curl
     direnv
     emacs-nox
+    fd
+    foot.terminfo
     git
     htop
+    hyperfine
     jq
+    kitty.terminfo
     nano
+    nvd
     ripgrep
     rxvt_unicode.terminfo
-    foot.terminfo
-    kitty.terminfo
-    alacritty.terminfo
+    tree
+    unzip
     vim
     zfs
     zfstools
-  ];
+  ]) ++ (with depot; [
+    ops.deploy-whitby
+  ]);
 
   services.journaldriver = {
     enable = true;