Update requirements.txt

requirements.txt

@@ -1 +1,15 @@
-huggingface_hub==0.25.2
+huggingface_hub==0.25.2
+langgraph>=0.2.0
+langchain>=0.2.0
+langchain-openai>=0.1.0
+langchain-community>=0.2.0
+sentence-transformers>=2.2.2
+faiss-cpu>=1.7.4
+googlesearch-python>=1.2.3
+duckduckgo-search>=6.1.0
+aiohttp>=3.9.1
+beautifulsoup4>=4.12.2
+redis>=5.0.1
+numpy>=1.24.3
+scikit-learn>=1.3.0
+openai>=1.0.0