Document loader for Azure Blob storage

[amitmukh]

Lots of customers is asking if langchain have a document loader like AWS S3 or GCS for Azure Blob Storage as well. As you know Microsoft is a big partner for OpenAI , so there is a real need to have native document loader for Azure Blob storage as well. We will be very happy to see this feature ASAP.

[iMicknl]

@eavanvalkenburg and I will try to have a look in the coming weeks; should not be a very hard implementation.

How would you like to authenticate? Directly with a SAS token or managed identity/service principal preferred?

[eavanvalkenburg]

PR created!

[eavanvalkenburg]

And merged! Just connection strings though