co⚡e: Sparkplug™ MQTT edge

First CODESYS Based SparkplugB PrimaryHost public PREVIEW

library:
Edges, Devices and PrimaryHost all use the same metric fb for Metrics.
Metrics are provided via a factory pattern.

example:
demonstrates simplicity of usage for Edges with TLS support and a preliminary version of the CODESYS Based SparkplugB PrimaryHost in action