remove metadata dict handling

apps/slackbot/ai_fcts.py

@@ -80,7 +80,7 @@
 def format_docs(docs):
     context = ""
     for index, doc in enumerate(docs):
-        context += f"Document Rank {index + 1}: Page Link: {doc.metadata['page_id']} {doc.page_content}\n\n"
+        context += f"Document Rank {index + 1}: Page Link: {doc.metadata} {doc.page_content}\n\n"
     return context
 
 # create function to invoke the retrievalQA