adding new files

requirements.txt

@@ -1,10 +1,11 @@
-chainlit==1.1.304
+chainlit==0.7.700
+cohere==4.37
+openai<2.0.0
+tiktoken<1
+python-dotenv==1.0.0
+chainlit==0.7.700
 langchain==0.2.5
 langchain_core==0.2.9
 langchain_community==0.2.5
-langchain_text_splitters==0.2.1
-python-dotenv==1.0.1
-langchain_openai==0.1.8
-qdrant-client==1.9.2
-tiktoken==0.7.0
-pymupdf==1.24.5
+langchain-text-splitters==0.2.1
+langchain_openai==0.1.8