Unity Catalog LangChain Integration

The `unitycatalog-langchain` library provides seamless integration of Unity Catalog (UC) functions as tools within LangChain agent applications. It enables developers to define and manage AI functions in Unity Catalog and utilize them across various GenAI platforms, including LangChain, LlamaIndex, OpenAI, and Anthropic. The current version is 0.3.0 and it is actively maintained with a focus on interoperability and secure access control for AI assets.