Template HTML pur home (fonctionnel)

JS du fonctionnement de la sidebar à terminer.
Code à nettoyer.

Signed-off-by: Nicolas Thomas <nicolas.thomas92@gmail.com>
Merge branch 'master' of https://github.com/Nicolas-th/projet_html
Merge branch 'master' of https://github.com/Nicolas-th/projet_html
Ensemble du site - commit final

Signed-off-by: Nicolas Thomas <nicolas.thomas92@gmail.com>