fix: Rename ./nixos to ./system

This makes it clearer that it is the system configuration.

docs/default.nix

@@ -8,7 +8,7 @@ let
   filterVisible = toplevelOption: option: option // { visible = option.visible && builtins.elemAt option.loc 0 == toplevelOption; };
   home-eval = lib.evalModules { modules = [ ../home/options.nix ]; specialArgs = { inherit pkgs; }; };
   nvim-eval = lib.evalModules { modules = [ ../nvim/options.nix ]; };
-  nixos-eval = lib.evalModules { modules = [ ../nixos/options.nix ]; };
+  nixos-eval = lib.evalModules { modules = [ ../system/options.nix ]; };
   home-markdown = (pkgs.nixosOptionsDoc { inherit (home-eval) options; transformOptions = filterVisible "jhome"; }).optionsCommonMark;
   nvim-markdown = (pkgs.nixosOptionsDoc { inherit (nvim-eval) options; transformOptions = filterVisible "jhome"; }).optionsCommonMark;
   nixos-markdown = (pkgs.nixosOptionsDoc { inherit (nixos-eval) options; transformOptions = filterVisible "jconfig"; }).optionsCommonMark;

flake.nix

@@ -132,7 +132,7 @@
           homeManagerModuleNixOS = import ./home { inherit overlays nvim-config; };
           nixosModule = {
             imports = [
-              (import ./nixos { inherit stylix; })
+              (import ./system { inherit stylix; })
               home-manager.nixosModules.home-manager
             ];