* replace string by char array comparison
* take mac adress from user_config for arduino ethernet shield
* remove code for managing HM10 with version < v6xx
* add sys measure call for arduino mega
* code size decrease and optim
* MQTT discovery factoring
* add DHT discovery
* BME topic macro change
* add sensors to ha discovery
* correct a comment typo #327
* let the possibility at buildtime to don't publish service data
* reduce string usage
* change MQTT ONOFF actuator to ON OFF commands instead of true false
* add ZactuatorONOFF discovery
* add simple publishing for GPIO input
* Add RF switch and gateway discovery
* add mqtt discovery (compatibile with home assistant) with omg status binary sensor & bme280 sensor
* added mqtt discovery to Test_config.h for ESP32 (ESP8266 & other boards was not tested)
* include support for ESP8266 & arduino mega
* fix getting MAC for esp8266
* esp8266 fix
* make mqtt discovery functions functions more generic, readable and easy to use & extend
* make mqtt discovery functions functions more generic, readable and easy to use & extend PART 2
* remove the macro for each attribute and supposing that if there is a bme280 we expose all
Florian