Write summary of organization

[sphuber]

This is a requirement of CECAM (@stefhk3 will procure details on exact requirements) but this may also be of use to the general public that would like to organize something similar.

[kjappelbaum]

Aude mentioned that she'd also like to see the survey results and I'll try to clean up the website to have a real template that does not require to change variables in the mdx or js files but only in a config file.