Enact the first rules clarifications for SR2023

This clarifies the nature of the Online Presence award
and adds missing units to the sidewall markers diagram.

This is built from:
- srobo/rules@9ebc52c
- https://app.circleci.com/pipelines/github/srobo/rules/226/workflows/415e2310-da61-470e-8101-abb723fd8f9b/jobs/297/artifacts

Author: PeterJCLaw