Extend "Managing supported branches & releases"

Documentation location/URL

https://www.drupal.org/docs/develop/managing-a-drupalorg-theme-module-or...

Problem/Motivation

We should extend this page or probably better add a new one which would describe the best practice for creating new releases, e.g. what should be there in the release notes, structure, format.

A link to the https://drupal-mrn.dev/ and https://www.drupal.org/docs/develop/git/git-for-drupal-project-maintaine... .

Proposed resolution

Get community agreement and implement of so.