🙊 Adds sonar support

esp32/features.ini

@@ -15,5 +15,6 @@ build_flags =
   -D FT_BMP=1
   -D FT_GPS=0
   -D FT_WS2812=1
+  -D FT_USS=0
   -D FT_SERVO=1
   -D FT_ADS1115=1

esp32/lib/ESP32-sveltekit/FeaturesService.cpp

@@ -33,6 +33,7 @@ void FeaturesService::begin() {
         root["imu"] = FT_IMU;
         root["mag"] = FT_MAG;
         root["bmp"] = FT_BMP;
+        root["sonar"] = FT_USS;
         root["firmware_version"] = APP_VERSION;
         root["firmware_name"] = APP_NAME;
         root["firmware_built_target"] = BUILD_TARGET;