HASS gateway Discovery improvements (#792)

* MQTT discovery improvements

-remove gatewayBT
-remove device class formaldehyde (not existing in HASS)
-add SYStoMQTT new parameters
-attach connectivity parameter to the device
-add BT gateway infos and switches
-refactor modules storage and publication

docs/use/ble.md

@@ -85,6 +85,10 @@ you can also force a scan to be done by the following command:
 
 `mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoBT/config -m '{"interval":0}'`
 
+::: tip
+With Home Assistant, this command is directly avalaible through MQTT auto discovery as a switch into the HASS OpenMQTTGateway device entities list.
+:::
+
 Once the forced scan has completed, the previous scan interval value will be restored. Forcing a scan command trigger also a BLE connect process after the scan (see below).
 
 The default value `TimeBtwRead` is set into config_BT.h or into your .ini file for platformio users.
@@ -107,6 +111,10 @@ If you want to change this characteristic:
 
 `mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoBT/config -m '{"onlysensors":true}'`
 
+::: tip
+With Home Assistant, this command is directly avalaible through MQTT auto discovery as a switch into the HASS OpenMQTTGateway device entities list.
+:::
+
 The gateway will publish only the detected sensors like Mi Flora, Mi jia, LYWSD03MMC... and not the other BLE devices. This is usefull if you don't use the gateway for presence detection but only to retrieve sensors data.
 
 ## Setting the minimum RSSI accepted to publish device data

docs/use/gateway.md

@@ -1,13 +1,20 @@
 # System commands (ESP only)
 
 ## Restart the ESP
-
 `mosquitto_pub -t "home/OpenMQTTGateway/commands/MQTTtoSYS/config" -m '{"cmd":"restart"}'`
 
+::: tip
+With Home Assistant, this command is directly avalaible through MQTT auto discovery as a switch into the HASS OpenMQTTGateway device entities list.
+:::
+
 ## Erase the ESP settings
 
 `mosquitto_pub -t "home/OpenMQTTGateway/commands/MQTTtoSYS/config" -m '{"cmd":"erase"}'`
 
+::: tip
+With Home Assistant, this command is directly avalaible through MQTT auto discovery as a switch into the HASS OpenMQTTGateway device entities list.
+:::
+
 # State LED usage
 
 The gateway can support up to 3 LED to display its operating state: