Merge branch 'development' of...

Merge branch 'development' of https://gitlab.iri.upc.edu/mobile_robotics/adc/adc_2021/iri_adc_msgs into development

srv/set_car_lights.srv

+uint8 CAR_OFF = 0
+uint8 CAR_NORMAL_DRIVE = 1
+uint8 CAR_BRAKE = 2
+uint8 CAR_TURN_LEFT = 3
+uint8 CAR_TURN_RIGHT = 4
+uint8 CAR_PARKED = 5
+uint8 CAR_EMERGENCY = 6
+uint8 CAR_AMBULANCE = 7
+uint8 CAR_CHARGING = 8
+
+uint8 lights
+---
+

srv/set_semaphore.srv

+uint8 SEM_OFF = 0
+uint8 SEM_RED = 1
+uint8 SEM_GREEN = 2
+uint8 SEM_ORANGE_BLINK = 3
+
+uint8 color
+---
+