Update requirements.txt

requirements.txt

@@ -7,10 +7,10 @@ faiss-cpu==1.7.4
 altair==4
 tiktoken==0.4.0
 # uncomment to use huggingface llms
-# huggingface-hub==0.14.1
+huggingface-hub==0.14.1
 
 # uncomment to use instructor embeddings
-# InstructorEmbedding==1.0.1
-# sentence-transformers==2.2.2
+InstructorEmbedding==1.0.1
+sentence-transformers==2.2.2
 
-# langchain-community
+langchain-community