Describe in book.html

Signed-off-by: JFRheault <jf.rheault.1@gmail.com>
JS functions un describe.js

Signed-off-by: JFRheault <jf.rheault.1@gmail.com>
Merge branch 'master' of https://github.com/fbelleau/PiqueNiqueSemantique
Merge branch 'interface-author-book'