Add requirements.txt

requirements.txt

@@ -0,0 +1,11 @@
+fastapi>=0.115.12
+geopy>=2.4.1
+googlemaps>=4.10.0
+gradio>=5.32.0
+ipython>=9.3.0
+langchain-community>=0.3.24
+langchain-google-genai>=2.1.5
+langchain-tavily>=0.2.0
+langchain>=0.3.25
+langgraph-supervisor>=0.0.27
+python-dotenv>=1.1.0