Describe Action 2 on the wiki before the Board At Desk - Single Dev. release.

Issue Background

BAsed on feedback provided to me while the review process of the BAD-SD release announcement.

Issue description

• Describe Action 2 ( milestone 2 in gitlab.com %Test CIP kernel ) in the https://wiki.linuxfoundation.org/civilinfrastructureplatform/ciptesting wiki page
• This task blocks #41 (closed)

Acceptance criteria

• Link to the wiki page with the description published. Link to the CIP testing wiki page.