add config from gitlab

hosts/nixos-home/config/system_services.nix

@@ -0,0 +1,17 @@
+{ config, pkgs, ... }:
+{
+	networking = {
+		hostName = "nixos-home";
+		networkmanager.enable = true;
+                # open ports manually if needed
+		firewall.enable = true;
+	};
+	services = {
+		xserver.xkb = {
+			layout = "fr";
+			variant = "";
+		};
+		printing.enable = true;
+		openssh.enable = false;
+	};
+}