feat: Dynamic templating

lib/meta.nix

@@ -0,0 +1,21 @@
+{ sp-module, pkgs }:
+let
+  lib = pkgs.lib;
+  # sp-module = builtins.getFlake "git+file:.?dir=sp-modules/jitsi-meet";
+  # sp-module = builtins.getFlake flakeURL;
+  options = (pkgs.lib.evalModules { modules = [{ _module.check = false; } sp-module.nixosModules.default]; }).options;
+  # Transform a Nix option to a JSON structure with metadata
+  optionToMeta = (name: option: {
+    name = name;
+    description = if builtins.hasAttr "description" option then option.description else null;
+    loc = option.loc;
+    meta = if builtins.hasAttr "meta" option then option.meta else null;
+    # value = if builtins.hasAttr "value" option then option.value else null;
+    default = if builtins.hasAttr "default" option then option.default else null;
+  });
+in
+builtins.toJSON ({
+  meta = if builtins.hasAttr "meta" sp-module then sp-module.meta { inherit lib; } else null;
+  configPathsNeeded = sp-module.configPathsNeeded;
+  options = pkgs.lib.mapAttrs optionToMeta (builtins.head (lib.mapAttrsToList (name: value: value) options.selfprivacy.modules));
+})