Express api: external documentation for reminder scheduling is dead

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From How to create a document | Developer Pages

# Reminder schedule

If you set up reminders, you need to specify a schedule in cron format (quartz). There are multiple resources on the web to help you set up the schedule. Here are some of them:

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From Signicat Express API | Developer Pages

Defines a chron expression that control the interval of the reminders (Use UTC time). We use Quartz cron expressions, read more about it here: