fix: agenix on nix-darwin, update flake.nix

home/base/server/zellij/default.nix

@@ -1,4 +1,4 @@
-{...}: {
+_: {
   programs.zellij = {
     enable = true;
   };

home/darwin/default.nix

@@ -11,7 +11,7 @@
   # Home Manager needs a bit of information about you and the
   # paths it should manage.
   home = {
-    username = username;
+    inherit username;
     # set homeDirectory make build fail
     homeDirectory = "/Users/${username}";