fix: add userName argument to flake.nix

flake.nix

@@ -24,12 +24,14 @@
     };
   };
   outputs =
-    { ... }@inputs:
+    { ... }@inputs: let
-    {
+      userName = "autumn";
+    in {
       nixosConfigurations = {
         "january" = inputs.nixpkgs.lib.nixosSystem {
           specialArgs = {
             hostName = "january";
+            inherit userName;
             inherit inputs;
           };
 
@@ -39,6 +41,7 @@
         "february" = inputs.nixpkgs.lib.nixosSystem {
           specialArgs = {
             hostName = "february";
+            inherit userName;
             inherit inputs;
 
             modules = [ ./host/pc/february/configuration.nix ];
@@ -47,6 +50,7 @@
 
         "march" = inputs.nixpkgs.lib.nixosSystem {
           specialArgs = {
+            inherit userName;
             hostName = "march";
           };