refactor modules

modules/docs.nix

@@ -0,0 +1,32 @@
+{
+  self,
+  inputs,
+  ...
+}: {
+  perSystem = {
+    pkgs,
+    lib,
+    system,
+    ...
+  }: {
+    packages.docs = let
+      nixos = inputs.nixpkgs.lib.nixosSystem {
+        inherit system;
+        modules =
+          [
+            inputs.sops-nix.nixosModules.sops
+          ]
+          ++ lib.attrValues self.nixosModules;
+      };
+      doc = pkgs.nixosOptionsDoc {options.hive = nixos.options.hive;};
+    in
+      pkgs.stdenvNoCC.mkDerivation {
+        name = ".hive-docs";
+        buildCommand = ''
+          mkdir -p $out
+          cp ${doc.optionsCommonMark} $out/docs.md
+          ${pkgs.pandoc}/bin/pandoc -o $out/docs.html $out/docs.md
+        '';
+      };
+  };
+}