PSxMemCard (First Generation) - Use operation demonstration

[@jairisongs]

Hello. When will we have a firmware update so that the card can read the Game ID? This helps a lot in creating a virtual card and eliminates game crashes when changing memory cards.

[@bitfunx9713]

firmware: github.com/dangiu/PicoMemcard/releases/tag/v1.0.2 Fix led behavior on RP2040-Zero Add ability to create and switch to new empty memory card image with controller input (START + SELECT + TRIANGLE) This is the latest version at present.