Randomized delays within a possible value range

Some anti-bot systems might try to detect bots by scanning delays between keypresses and might flag a BTT user for very consistent keypress patterns. I would suggest to give the option to define a possible delay range in all kinds of delay actions as well as in the "Repeat assigned action while pressing" section of the trigger settings to give the user the ability to let their action look more human-alike.

When a delay is executed BTT should pick a delay value that is random within the given range.