modules: system: move 'documentation'

modules/default.nix

@@ -3,7 +3,6 @@
 
 {
   imports = [
-    ./documentation.nix
     ./hardware
     ./home.nix
     ./nix.nix

modules/system/default.nix

@@ -3,6 +3,7 @@
 
 {
   imports = [
+    ./documentation.nix
     ./language.nix
     ./media.nix
     ./users.nix

modules/system/documentation.nix

@@ -1,9 +1,9 @@
 { config, lib, pkgs, ... }:
 let
-  cfg = config.my.module.documentation;
+  cfg = config.my.system.documentation;
 in
 {
-  options.my.module.documentation = with lib.my; {
+  options.my.system.documentation = with lib.my; {
     enable = mkDisableOption "Documentation integration";
 
     dev.enable = mkDisableOption "Documentation aimed at developers";