Left and right sensors obstacle avoidance implementation.

[d0nate110]

• Changed from infrared sensors to ultrasound sensors, in order to get a greater distance to obstacles on the sides

• Changed logic of the autopilot method

• Refactored the code

• [x] Obstacle avoidance is working properly

:ballot_box_with_check: Definition of Done checklist

• [x] Meaningful title and valuable description in pull request
• [x] Code change tested manually if not covered by automated tests
• [x] Pull request linked to one or more issues/stories
• [x] Acceptance criteria of the linked stories satisfied
• [x] Code change comprehended by those who approved it
• [x] State of target branch maintained or improved after the code change

[d0nate110]

Yes, there is no requirement for that, so I did not add it back