Improve wifi connection management (#471)

-avoid issues with WIFI automatic reconnection on ESP32
-avoid reset of ESP32 when wifi is disconnected
-enable to erase the wifi/mqtt settings if; the mqtt broker wasn't connected once or if the TRIGGER_PIN is pushed for a long time >10s

platformio.ini

@@ -89,7 +89,7 @@ monitor_speed = 115200
 
 [com]
 esp8266_platform = espressif8266@1.8.0
-esp32_platform = espressif32@1.9.0
+esp32_platform = espressif32@1.11.0
 atmelavr_platform = atmelavr@1.13.0
 
 [com-esp]
@@ -102,6 +102,7 @@ build_flags =
   '-DsimpleReceiving=true'
   '-DZmqttDiscovery="HADiscovery"'
   '-DTRACE=1'
+  ;'-DCORE_DEBUG_LEVEL=4'
 
 [com-arduino]
 lib_deps =