Docs: add panel overview (#86075)
* Added panel overview page and updated panel editor page
* Finalized panel overview intro text and added links
* Added add panel section to overview and removed section from editor
* Fixed version interpolation syntax and updated Cloud link
Co-authored-by: Jack Baldry <jack.baldry@grafana.com>
* Fixed version interpolation syntax
Co-authored-by: Jack Baldry <jack.baldry@grafana.com>
---------
Co-authored-by: Jack Baldry <jack.baldry@grafana.com>
(cherry picked from commit d9a0cedd89)
Co-authored-by: Isabel Matwawana <76437239+imatwawana@users.noreply.github.com>