Filament run out sensor holder

This is a wheeled micro switch holder as an Filament Runout sensor for 2040 pillar to hold the sensor.
Demo: https://youtu.be/0wmqzxPayTE
Powered by Marlin 1.1.9, reference source code: https://github.com/PhilXing/Marlin/tree/D-force-V2-1.1.9