Changes to Create a Reminder

added one-time recurring mapping keys to the request discriminator

added company person opportunity discriminator mapping keys to the oneOf[subschema #1: reminders.OneTimeReminderToBeCreated]/allOf[subschema #1: reminders.BaseReminderToBeCreated]/entity request property

added company person opportunity discriminator mapping keys to the oneOf[subschema #2: reminders.RecurringReminderToBeCreated]/allOf[subschema #1: reminders.BaseReminderToBeCreated]/entity request property

added one-time recurring mapping keys to the response discriminator for the response status 201

added authentication authorization bad-request conflict method-not-allowed not-acceptable not-found not-implemented rate-limit server timeout unprocessable-entity unsupported-media-type validation discriminator mapping keys to the errors/items response property for the response status default

added bad-request validation discriminator mapping keys to the errors/items response property for the response status 400