[BC Idea]: External File Account: Add SFTP Connector

[IceOnly]

BC Idea Link

https://experience.dynamics.com/ideas/idea/?ideaid=a5f1ee73-f6df-f011-92b8-7c1e52cc54e6

Description

I saw today this beatiful PR #3697

I wanted to test it right away, and what makes more sense than building a new connector? The code is almost ready; I just need a small ID range like the other connectors.

I will provide the implementation for this BC Idea

• I will provide the implementation for this BC Idea