IMU 측정, 커맨드 및 응답 추가

src/main.c

@@ -23,6 +23,7 @@
 #include "ble_service.h"
 #include "battery_adc.h"
 #include "parser.h"
+#include "imu_i2c.h"
 
 LOG_MODULE_REGISTER(vesiscan, LOG_LEVEL_INF);
 
@@ -309,6 +310,7 @@ int main(void)
     battery_adc_init();
     battery_timer_init();
     DBG_PRINTF("  gpio/timer/config/led/batt OK\r\n");
+    imu_init();
 
     /*── Phase 2: BLE 스택 + NUS ──*/
     DBG_PRINTF("[2] BLE Init\r\n");