Add gimp and thunderbird to the laptop

Just needed to do a bit of guest wifi network troubleshooting.

nalai/configuration.nix

@@ -107,10 +107,13 @@
   # $ nix search wget
   environment.systemPackages = with pkgs; [
     chezmoi
+    dig
     fish
+    gimp-with-plugins
     git
     python3
     neovim
+    thunderbird
     tmux
   ];
 
@@ -126,6 +129,7 @@
 
   # Enable the OpenSSH daemon.
   # services.openssh.enable = true;
+  services.tailscale.enable = true;
 
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];