* Add Version history guide for dashboard and notebooks

* Add images for notebooks and dashboards

* Remove unrelated references of dashboard and notebooks

* Add image of disabled version history icon

* Apply suggestions from code review

Co-authored-by: Austin Lai <76412946+alai97@users.noreply.github.com>

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Co-authored-by: Austin Lai <76412946+alai97@users.noreply.github.com>