update list and start comparison table

[almereyda]

This PR contains a commit which

• renders the unordered list into a table for starting to work on #7
• adds solidarity hosters from #12
• adds otherwise related contacts from #13

[pierreozoux]

Nice :) Please just update the comment and merge it yourself :)

[almereyda]

I have provided said commit, but cannot merge for myself, as I am not presented any option for this.

[pierreozoux]

You have to accept my invitation to be admin of the repo :)

[almereyda]

Didn't get any. Probably lost within the myriads of emails piling up every day.