Add system modules

configuration.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     ./home-manager.nix
+		./modules/system
     ./hardware-configuration.nix
   ];
 
@@ -14,9 +15,6 @@
     efi.canTouchEfiVariables = true;
   };
 
-  networking.hostName = "benq-serv";
-  networking.networkmanager.enable = true;
-
   time.timeZone = "Europe/Moscow";
 
   i18n = { 
@@ -39,13 +37,9 @@
   environment.systemPackages = with pkgs; [
     git
     vim
+		tmux
   ];
 
-  services.openssh.enable = true;
-
-  networking.firewall.allowedTCPPorts = [ 22 80 443 ];
-  networking.firewall.allowedUDPPorts = [];
-
   system.stateVersion = "25.05";
 }