Added ssh

modules/system/ssh.nix

@@ -0,0 +1,19 @@
+{ config, lib, pkgs, self, ... }:
+
+let
+  cfg = config.samfelag.modules.system.ssh;
+in
+{
+  options.samfelag.modules.system.ssh = {
+    enable = lib.mkEnableOption "ssh";
+  };
+  config = lib.mkIf cfg.enable {
+    services.openssh = {
+      enable = true;
+      # TODO: Use ssh keys
+      passwordAuthentication = true;
+    };
+
+    networking.firewall.allowedTCPPorts = [ 22 ];
+  };
+}