Clarification on Using Active Directory Service Principal with Synapse Destination

[dat-a-man]

Issue description:

User is attempting to use an Active Directory Service Principal for authentication with the Synapse destination in a project. The current documentation primarily details setup for SQL authentication and does not mention the possibility or method of utilizing an Active Directory Service Principal through a custom SQLAlchemy URL.

Slack thread:

https://dlthub-community.slack.com/archives/C04DQA7JJN6/p1711486420209739

Add to documentation:

Info on how to pass a custom SQLAlchemy URL to authenticate using an Active Directory Service Principal.

[dat-a-man]

PR created: #1167