Refine the General Roman Calendar with Decrees of the Congregation for Divine Worship

The Liturgical Calendar is based off of both published Roman Missals, and Decrees of the Congregation for Divine Worship. These Decrees can refine the data from the Roman Missals, adding or removing or changing liturgical events, or instructing on how to handle any possible coincidences between mandatory celebrations.

Data for Roman Missals is handled by the /missals endpoint of the API, while data for Decrees is handled by the /decrees endpoint of the API. Currently, these endpoints are read-only. There are currently 13 Decrees defined at the endpoint https://litcal.johnromanodorazio.com/api/v4/decrees.

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