[Feature Request] Better Speed controls.

[dmjohn0x]

So currently in Orca Slicer, theres like 60 different variables to locate and tweak in order to slow down or speed up printing speeds, Alternatively, in the printing preview window, (at least for Bambu printers) there is a single button that allows you to go from Silent (50% speed) to Normal (100%) to Sport (150% Speed) to Ludicrous (200%) Speed. But why these specific variables? I don't understand why I cant set 75% speed or 80% speed. Why not 120%? ...Its just always been frustrating to have to constantly make new tuned profiles for new filaments I try everytime when I could easily just make a generic one and tune the speed settings if only I were given the option.