add requirements.txt

requirements.txt

@@ -2,3 +2,10 @@ langchain-core>=0.3.0
 langchain-openai>=0.3.0
 pydantic>=2.0
 python-dotenv>=1.0.0
+rich>=13.0.0
+duckduckgo-search>=6.0.0
+fastmcp>=0.1.0
+qdrant-client>=1.7.0
+langchain-qdrant>=0.1.0
+langchain-ollama>=0.1.0
+langchain-text-splitters>=0.1.0