working system

options/common/docs.nix

@@ -0,0 +1,22 @@
+{pkgs, ...}: {
+  documentation = {
+    enable = true;
+    dev.enable = true;
+    doc.enable = false;
+    info.enable = false;
+    man = {
+      enable = true;
+      generateCaches = false;
+      man-db.enable = false;
+      mandoc.enable = true;
+    };
+    nixos = {
+      includeAllModules = false;
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+    man-pages
+    man-pages-posix
+  ];
+}