* Update running-metabase-on-azure.md

Having an `@` symbol in the connection string may cause issues when it is parsed and rebuilt.  Using separate user and password configuration values solves that problem.

* Update docs/installation-and-operation/running-metabase-on-azure.md

Co-authored-by: Jeff Bruemmer <jeffbruemmer@gmail.com>
Co-authored-by: Jeff Bruemmer <jeff.bruemmer@gmail.com>

* Add Azure Guide

* Change links to access the guide

* Add Azure AD SAML SSO guide

* Fix error in pages

* Apply suggestions from code review

Co-authored-by: Jeff Bruemmer <jeff@metabase.com>

* A couple of changes proposed by Jeff

* Update docs/operations-guide/running-metabase-on-azure.md

Co-authored-by: Jeff Bruemmer <jeff@metabase.com>

* Apply suggestions from code review

Co-authored-by: Jeff Bruemmer <jeff@metabase.com>

* Wrap connection strings in triple backticks

Co-authored-by: Jeff Bruemmer <jeff@metabase.com>