change nixos -> nix

flake.nix

@@ -33,14 +33,14 @@
     let
       hostSystem = "x86_64-linux";
       hostPkgs = import nixpkgs { system = hostSystem; };
-      machines = (hostPkgs.lib.modules.evalModules { modules = [ (import ./nixos/machines) ]; }).config.machines;
+      machines = (hostPkgs.lib.modules.evalModules { modules = [ (import ./nix/machines) ]; }).config.machines;
       physicalMachines = hostPkgs.lib.filterAttrs (n: v: v.isPhysical) machines;
     in
     flake-utils.lib.meld (inputs // { inherit hostPkgs machines physicalMachines; }) [
-      ./nixos/flake/bootstrap
-      ./nixos/flake/checks.nix
-      ./nixos/flake/deploy.nix
-      ./nixos/flake/nixos.nix
+      ./nix/flake/bootstrap
+      ./nix/flake/checks.nix
+      ./nix/flake/deploy.nix
+      ./nix/flake/nixos.nix
     ] // (flake-utils.lib.eachDefaultSystem (system: {
       formatter = nixpkgs.legacyPackages.${system}.nixfmt;
     }));