move nixos modules to nixos-modules

nixos-modules/doc/default.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  lib,
+  pkgs,
+  self,
+  ...
+}:
+
+let
+  cfg = config.jopejoe1.doc;
+in
+{
+  options.jopejoe1.doc = {
+    enable = lib.mkEnableOption "Enable Documentation";
+  };
+
+  config = lib.mkIf cfg.enable {
+    documentation = {
+      enable = true;
+      doc.enable = true;
+      dev.enable = true;
+      info.enable = true;
+      nixos = {
+        enable = true;
+        includeAllModules = true;
+        options.warningsAreErrors = false;
+      };
+      man = {
+        enable = true;
+        generateCaches = false;
+      };
+    };
+    environment.systemPackages = with pkgs; [
+      man-pages
+      man-pages-posix
+      linux-manual
+    ];
+  };
+}