* Add whats new draft article

* Update docs/sources/guides/whats-new-in-v7-1.md

Co-authored-by: Sofia Papagiannaki <papagian@users.noreply.github.com>

* Add elastic internal links

* Docs: more about vault in whats new

* docs: monthly reports

* Apply suggestions from code review

Co-authored-by: Sofia Papagiannaki <papagian@users.noreply.github.com>

* Remove unified explore mention

* updated what's new

* Update link

* Add search image link

* Add 7.1 article to the menu

* Fix typo

Co-authored-by: Sofia Papagiannaki <papagian@users.noreply.github.com>
Co-authored-by: Leonard Gram <leo@xlson.com>
Co-authored-by: Torkel Ödegaard <torkel@grafana.com>