Add New Looks option: Customize Colors of Editor

[sathvikrias]

again, why do you need this?

I have this great idea for a really cool new feature!

Please bear in mind that Snap! development is done almost entirely on a volunteer basis. Bernat is the only one paid full-time (by SAP) to work on Snap! development, and his primary specialization is the community site rather than Snap! itself. Jens and Jadga are also paid full-time by SAP, but SAP wants them to spend most of their time creating MOOCs and giving talks. Michael, Joan, and I are not paid to work on Snap! at all. And we have a huge backlog of really important work. So "wouldn'…