rate-adapt: documentation of the new feature and command endpoints
rate-adapt: clarify the purpose of the OscilSize setting
rate-adapt: GUI -- better describe the purpose of this feature
rate-adapt: GUI to show and capture DesignValues
rate-adapt: reject instrument files with invalid DesignValues
rate-adapt: add UNDO capability for DesignValues
rate-adapt: implement CLI to control the DesignValues
rate-adapt: simplified storage and strictly "opt-in" capturing