feat: intro to the quiz #5

When a new person comes up to the stall, we should have a little intro to both the quiz and the concept of what a Linux distribution is. This could be in the form of a starting screen, or a general script to "read" to them when they come to the stall.

i.e.

So you've heard of Windows and MacOS before right? 
So our society is focused around Linux, and while in Windows or MacOS
you can only choose Windows or MacOS, for Linux, we have a family of
what's called distributions...