Docs: bar gauge visualization refactor (#102747)
* Added Config options heading and bumped heading levels
* Added empty Text size options section and updated Value options
* Updated bar gauge section
* Added missing options and removed screenshot
* Fixed Bar gauge options
* Added descriptions for Text size section
* Added links to text size section
* Fixed text size section
(cherry picked from commit 13058d2715)
Isabel Matwawana
011256f66d