Docs: MSSQL data source overhaul (#107478)
* created config doc
* updated the config doc
* updates to the configure doc
* updates to configure doc
* updated the templates doc
* more query editor edits
* final edit on templates doc
* final query editor edits and new screenshots
* added tables to configure
* final edits
* final edits
* final edits
* added admonition and updates based on feedback
* ran prettier
(cherry picked from commit 0cc636665a)
Co-authored-by: Larissa Wandzura <126723338+lwandz13@users.noreply.github.com>
grafana-delivery-bot[bot]