Build ChromaDB + Tavily RAG agent with Ollama embeddings, local/web tools, create_agent routing, and CLI ingest flow.: update requirements.txt

requirements.txt

@@ -2,6 +2,7 @@ langchain
 langchain-chroma
 langchain-tavily
 langchain-ollama
+langchain-text-splitters
 tavily-python
 chromadb
 python-dotenv