Add New Metric to Metrics Summary

[CovenantHuman]

Description We would like to add this metric https://data.heroku.com/dataclips/kltzsxjtbjggdjqjcliqgrvbkped to this https://firelemons.github.io/casaMetricsComparison/

Existing gem(s), file(s) needing updating, changing or deleting https://firelemons.github.io/casaMetricsComparison/ is from https://github.com/rubyforgood/casa-metrics-comparison