IJS data for Paris meeting discussion NO_JIRA

[IsaacSugden]

Deleted the options since Jonas and I have settled on a format, added the Benzophenone data, and Jonas' script for determining consensus mean, in preparation for the Paris meeting (20/06/24). If the committee approves, we can do similar sets for the other systems

[github-actions]

Remaining comments which cannot be posted as a review comment to avoid GitHub Rate Limit

flake8

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