Checkmk Werk 12349: API: adjusting downtime doc examples and fixing downtime objects links

ID: 12349 Title: API: adjusting downtime doc examples and fixing downtime objects links Component: Core & setup Level: 1 Class: Bug fix Version: 2.1.0i1 This werk introduces some changes to the downtime endpoint family. It makes some examples more beginner friendly and fixes the linking mechanism of the downtime objects.