[addon-themes] Several theme switchers

[aleksanderd]

Hi!

We have 3-props themes: 3 x colors + 2 x font-family + 3 x letter spacing. We combined them to 18 items for the switcher, but it is not too comfortable.

Is there a simple/native way to separate it to 3 switches?
If not, could you point me to minimal example for custom switcher?

Thank you!