Add a "try this now" feature in the tutorial

[SamErde]

It would be great if there was a "try this now" feature so the user could try out the examples during the tutorial. Breaking out while maintaining the flow of the tutorial might be tricky, but @jakehildreth's Stepper module might actually be a viable tool for it.

[jdhitsolutions]

I am kind of running live code already in the tutorial. My intention is to keep the tutorial as brief as possible. I don't want it to become a full-blown training tool.