finish configuration for ssh

- iptables geoip whitelist for ssh
- NOPASSWD for efibootmgr, allowing easy reboot into windows from laptop/phone
- no fastfetch for remote shells

hosts/takamaki/default.nix

@@ -29,6 +29,8 @@ in {
 
   environment.systemPackages = with pkgs; [
     efibootmgr
+    iptables
+    ipset
   ];
 
   hardware.steam-hardware.enable = true;