Changing the web interface

For me I think the web interface is dull.
I found this Let's Chat β€” Self-hosted chat for small teams
It looks vibrant, is it possible to add this as second interface for rocket chat?

Hi!

We are looking into themes for Rocket.Chat for quite a while. Because of the refactoring/move to React, we were not on the right time for that.

We have talked about this in our last Open Call, Check it out:

While you can accomplish all sorts of customization using the Custom CSS feature, that’s not the optimal way.

But worry not! This is on our radar!