Sure, that is on the plans! 
And it is good to have users willing to contribute
Earlier, I meant to say that create a thread for discussing your CE. That way, other users interested can test and share feedback. Like we already have threads for existing CE
For theming, it is good to have at least one version with basic Arc theme and minimal yet usable interface. But since we already have an i3 edition, feel free to customize yours as you wish 
Only thing - it shouldn’t feel bloated