[Slackdocs] Introduction + first ideas

[asteroid]

> I hope Eric can read this to add a "new page" button :P
> So, i have your same opinion. First english, then the world.
> In english we can satisfy a bigger audience.


imho, english prior. When english is validated, clear, and up-to-date,
we can start to translate.

To create a page, juste enter the url in your browser :
	http://wiki/page-that-not-exist

and the message that appear ask you to create the page
"page-that-not-exit". That permit to follow a "red" link and you go to
create it automaticly.