Document process for working on the release process

[romaricpascal]

What

Document how to work on the release process, particularly how to test things are OK

Why

To help future developers improving the release process without publishing unnecessarily to npm

Who needs to work on this

Developers, Tech writers

Who needs to review this

Developers, Tech writers

Done when

• Process for improving the release process is documented in the repo

[NickColley]

Romaric started this document we've been contributing to for this here:
https://docs.google.com/document/d/1BmIoLQ_pO1gqTKijig_lR3CfzXTNF1Z2gv424lNEsJk/edit?tab=t.0#heading=h.poddiyvkd6ul