Request - Parameter Modulation Controllers

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I feel openDAW would benefit massively from possessing parameter modulation controllers, such as:

• An envelope follower, a controller that modulates a parameter based on the amplitude of any given signal

• An LFO controller

• An MSEG, for controlling parameters with arbitrary envelopes

• A step controller, the type you'd see in a trancegate or something of the sort

• An XY controller, for mapping one or more parameters to a given axis

• A keytracking controller

• A velocity controller