* Jetpack 10.8 changelog

* Adding 10.8 readme

* Removing duplicated lines.

* Removing duplicate lines.

* Removing duplicate lines.

* Moving some things to other sections.

* Making changes based on suggestions

* Update projects/plugins/jetpack/readme.txt

Co-authored-by: Samiff <samiff@users.noreply.github.com>

* Apply feedback

Co-authored-by: Samiff <samiff@users.noreply.github.com>

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/2060318348