ammending the previous with un added files

modules/services/openssh.nix

@@ -0,0 +1,19 @@
+{ config, pkgs, lib, ... }:
+
+{
+    services.openssh = lib.mkDefault {
+        enable = true;
+        openFirewall = true;
+        #settings = lib.mkDefault {
+            passwordAuthentication = false;
+            permitRootLogin = "no";
+            kbdInteractiveAuthentication = false;
+        #};
+        startWhenNeeded = true;
+        kexAlgorithms = [ "curve25519-sha256@libssh.org" ];
+    };
+    security.pam = lib.mkDefault {
+        enableSSHAgentAuth = true;
+        services.sudo.sshAgentAuth = true;
+    };
+}