Bring Slice Machine to Gatsby, Next, Svelt, etc

[Phil (Phil Snow)]

An update here, we developed a Next.js integration at the time mentioned here instead.

Follow updates of what will happen with Gatsby here:

Gatsby Slice Machine Update

Is there a loose timeline with this? I'm starting a rather large project somewhat soon and determining if I should wait to start it for slice machine Is there a WIP branch we can experiment with?