added future TODO

Author: SamSaffron

evals/lib/eval.rb

@@ -241,6 +241,7 @@ def pdf_to_text(llm, path:)
     upload.destroy if upload
   end
 
+  ### TODO: SAM this code needs to move into PromptEvaluator in a coherent way in a future PR
   def prompt_call(
     llm,
     system_prompt:,