Add ESP32 Adafruit Feather board definition (#853)

* Add ESP32 Adafruit Feather board definition in platformio

platformio.ini

@@ -40,6 +40,7 @@ extra_configs =
 ;default_envs = esp32dev-weatherstation
 ;default_envs = esp32dev-ir
 ;default_envs = esp32dev-ble
+;default_envs = esp32feather-ble
 ;default_envs = esp32-lolin32lite-ble
 ;default_envs = esp32-olimex-gtw-ble-eth
 ;default_envs = esp32-olimex-gtw-ble-wifi
@@ -335,6 +336,20 @@ build_flags =
   '-DLED_RECEIVE_ON=0'
   '-DGateway_Name="OpenMQTTGateway_ESP32_BLE"'
 
+[env:esp32feather-ble]
+platform = ${com.esp32_platform}
+board = featheresp32
+board_build.partitions = min_spiffs.csv
+lib_deps =
+  ${com-esp.lib_deps}
+  ${libraries.ble}
+build_flags =
+  ${com-esp.build_flags}
+  '-DZgatewayBT="BT"'
+  '-DLED_RECEIVE=13'
+  '-DLED_RECEIVE_ON=0'
+  '-DGateway_Name="OpenMQTTGateway_ESP32_FTH_BLE"'
+
 [env:esp32-lolin32lite-ble]
 platform = ${com.esp32_platform}
 board = lolin32