NVIDIA AI Endpoints for LangChain

This integration package connects NVIDIA AI Endpoints with the LangChain framework, providing seamless access to NVIDIA's state-of-the-art AI Foundation Models. It enables robust conversational AI and semantic embedding capabilities through classes like `ChatNVIDIA` and `NVIDIAEmbeddings`. Currently at version 1.2.1, the library maintains an active development pace with frequent updates.