Add Dropbox Document Loader Support to LangchainJS

[Ser0n-ath]

Privileged issue

• [X] I am a LangChain maintainer, or was asked directly by a LangChain maintainer to create an issue here.

Issue Content

Continuing from the discussion https://github.com/langchain-ai/langchainjs/discussions/7022

We would like to have a Dropbox document loader similar to its Python counterpart so that users can load documents from their Dropbox drive.

Update

We are still working on it as of 2024/11/22

[Ser0n-ath]

Hi @jacoblee93, do you think you can assign this issue to us?