Update requirements.txt

requirements.txt

@@ -1 +1,14 @@
-huggingface_hub==0.22.2
+# requirements file
+# note which revision of python, for example 3.9.6
+# in this file, insert all the pip install needs, include revision
+
+
+python-dotenv==1.0.0
+
+llama-index==0.10.27
+llama-index-llms-openai==0.1.15
+llama-index-embeddings-openai==0.1.7
+
+gradio
+transformers
+torch>=1.8.0