Basic walk through post about the current state of development

In continuation of https://hack.allmende.io/s/io2_meeting#Process-conduct, @yova prepared a walkthrough which can be rendered as a post.

https://hack.allmende.io/s/solidbase_walkthrough

Here we can track its implementation live.

I'm wondering, if for the screenshots, we need a livebox plugin and a small gallery to scroll through? The images could have descriptions and everything would remain easy and simple.