Update requirements.txt

requirements.txt

@@ -1,9 +1,10 @@
-streamlit==1.22.0
-google-generativeai==0.7.2
-python-dotenv==1.0.0
-langchain==0.2.6
-PyPDF2==3.0.1
-chromadb==0.5.3
-faiss-cpu==1.7.2
-langchain_google_genai==1.0.7
+streamlit==1.22.0
+google-generativeai==0.7.2
+python-dotenv==1.0.0
+langchain==0.2.6
+PyPDF2==3.0.1
+chromadb==0.5.3
+docx2txt==0.8
+faiss-cpu==1.7.2
+langchain_google_genai==1.0.7
 langchain_community==0.2.6