add ssh key

system/services/avahi/default.nix

@@ -0,0 +1,23 @@
+{ config, lib, ... }: {
+
+    options = {
+        sysconfig.services.avahi.enable = lib.options.mkOption {
+            type = lib.types.bool;
+            default = false;
+        };
+    };
+
+    config = lib.mkIf config.sysconfig.services.avahi.enable {
+     
+        services.avahi = {
+
+            enable = true;
+            ipv4 = true;
+            ipv6 = true;
+            openFirewall = true;
+            nssmdns4 = true;
+            wideArea = true;
+
+        };   
+    };
+}