Create tutorial of interactions between VILLAS components

[stv0g]

In GitLab by @stv0g on Jan 7, 2019, 11:09

[stv0g]

The SOGNO setup might be a nice example.

[stv0g]

I started working on this: https://git.rwth-aachen.de/acs/public/villas/Documentation/blob/master/Guide.md

Help is welcome :)