Add extension for include robot

[dido18]

https://github.com/arduino/include-robot

Add an extension for the robot

• Go forward [STEPS] steps
• Go backward [STEPS] steps
• Go forward for [SECONDS] seconds
• Go backward for [SECONDS] seconds
• Turn left for [SECONDS] seconds
• Turn right for [SECONDS] seconds
• Set speed [SPEED] percentage

Nice to have

• exploit the zephyr loader to load at runtime the Arduino code when the extension Is added