techo: use EnvironmentSensor to get BME280 data

variants/techo/platformio.ini

@@ -22,13 +22,21 @@ build_flags = ${nrf52840_techo.build_flags}
   -D SX126X_CURRENT_LIMIT=140
   -D SX126X_RX_BOOSTED_GAIN=1
   -D P_LORA_TX_LED=LED_GREEN
+  -D DISABLE_DIAGNOSTIC_OUTPUT
+  -D ENV_INCLUDE_GPS=1
+  -D ENV_INCLUDE_BME280=1
+  -D GPS_BAUD_RATE=9600
+  -D PIN_GPS_EN=GPS_EN
+  -D TELEM_BME280_ADDRESS=0x77
 build_src_filter = ${nrf52840_techo.build_src_filter}
   +<helpers/*.cpp>
   +<helpers/nrf52/TechoBoard.cpp>
+  +<helpers/sensors/EnvironmentSensorManager.cpp>
   +<../variants/techo>
 lib_deps =
   ${nrf52840_techo.lib_deps}
   stevemarple/MicroNMEA @ ^2.0.6
+  adafruit/Adafruit BME280 Library @ ^2.3.0
 debug_tool = jlink
 upload_protocol = nrfutil