langchain

5ac936a2 - community[minor]: add document transformer for extracting links (#24186)

community[minor]: add document transformer for extracting links (#24186) - **Description:** Add a DocumentTransformer for executing one or more `LinkExtractor`s and adding the extracted links to each document. - **Issue:** n/a - **Depedencies:** none --------- Co-authored-by: Eugene Yurtsev <eugene@langchain.dev>