[Public] Improve the new board members' on-boarding script

Publicly listed action item

Description: Craig and Dorothea to improve the new board members' on-boarding script.

Source: 2024-04 OSMF Board face-to-face meeting

The board decided during the 2024-06-13 mid-month chat to add to this GitLab repository only the action items from the 2024-04 face-to-face meeting which have not been completed yet.