Add OCI LangChain support for hosted Nemotron workflows#1804

fede-kamel wants to merge 2 commits intoNVIDIA:developNVIDIA/NeMo-Agent-Toolkit:developfrom

fede-kamel:fk/oci-langchain-nemotronfede-kamel/NeMo-Agent-Toolkit:fk/oci-langchain-nemotronCopy head branch name to clipboard