Edouard Tisserant <edouard@beremiz.fr> [Fri, 20 Sep 2024 15:30:22 +0200] rev 4019
MQTT: do not convert to UPPERCASE json keys.
Edouard Tisserant <edouard@beremiz.fr> [Fri, 20 Sep 2024 15:12:53 +0200] rev 4018
MQTT: added support for strings in JSON payload only.