Add simple BME680 support to RAK with adafruit library

platformio.ini

@@ -124,6 +124,7 @@ build_flags =
   -D ENV_INCLUDE_INA260=1
   -D ENV_INCLUDE_MLX90614=1
   -D ENV_INCLUDE_VL53L0X=1
+  -D ENV_INCLUDE_BME680=1
 lib_deps =
   adafruit/Adafruit INA3221 Library @ ^1.0.1
   adafruit/Adafruit INA219 @ ^1.2.3
@@ -138,3 +139,4 @@ lib_deps =
   adafruit/Adafruit MLX90614 Library @ ^2.1.5
   adafruit/Adafruit_VL53L0X @ ^1.2.4
   stevemarple/MicroNMEA @ ^2.0.6
+  adafruit/Adafruit BME680 Library @ ^2.0.4