fix: allow broken packages in docling module

Co-authored-by: aider (openrouter/google/gemini-3-pro-preview) <aider@aider.chat>

modules/docling.nix

@@ -7,6 +7,8 @@
 {
 
 
+  nixpkgs.config.allowBroken = true;
+
   services.docling-serve = {
         enable = true;
         port = 5001;