Karte-von-Morgen-API.md

 The backend of Karte von Morgen (KVM) is described [here](https://github.com/kartevonmorgen/openfairdb). It provides an API for accessing items of KVM.
+
+Find Events:
+https://api.ofdb.io/v0/events?bbox=47.08508535995386%2C0.8679199218750001%2C49.94415035164548%2C21.961669921875004&limit=10&start_min=1578182400
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