"Combokeys" instead of hotkeys. [Feature/new command suggestion]

Title. Basically, “if a street fighter gamer and a linux tryhard had a baby” where a combination of keys is issued to run a command/script rather than a single or a simultaneous stroke of two or more. i.e left, down, left, right arrow keys, R_CTRL to run Firefox. Right, right, Up, right arrow keys, delete to power off the...