[FEAT]: Create HOWTO page explaining how to use the contributed sketch

[gmacario]

Description

Follow-up to #296

Please create a page /docs/howto/howto-xxxx.md (choose xxxxx based on the actual contents of the page) which includes this image and describes:

1. What this program is supposed to do
2. Which are the prerequisites (i.e. which motors have to be connected where)
3. Shows how it works in practice
4. etc.

Additional Information

No response