feat: update dataset config in README

README.md

@@ -12,10 +12,15 @@ pretty_name: Nix Cache Dataset
 configs:
   - config_name: inventory
     data_files: datasets/inventory-2026-01-06T01-13Z.parquet      
-  - config_name: narinfos
+  - config_name: narinfos in the inventory
     data_files: datasets/narinfos-2026-01-06T01-13Z.parquet
-  - config_name: narinfos - nixos images
+  - config_name: narinfos in the inventory - nixos images only
     data_files: datasets/narinfos-nixos-images-2026-01-06T01-13Z.parquet
+  - config_name: buildstepoutputs
+    data_files: datasets/buildstepoutputs-2025-12-05-17:38:30Z.csv.zst
+  - config_name: narinfos in inventory but not in buildstepoutputs
+    data_files: datasets/inventory-not-in-buildstepoutputs-2025-12-05-17:38:30Z.parquet
+    
 ---
 
 # Nix Cache Dataset