Potential fields avoidance algorithm

[Rezenders]

Implement an avoidance algorithm based on potential fields.
To make your life easier, you can use this code as base.

Remember to change the launchfiles to use the maze world and the potential_avoidance script as executable.

Slide with useful information: https://surfdrive.surf.nl/files/index.php/s/luIDG03gFlj9JUV