integration info acces, communication + correction typo images

app/settings.php

app/templates/base.twig

app/templates/communication.twig

app/templates/contact.twig

app/templates/home.twig

app/templates/info_acces.twig

app/templates/info_generales.twig

app/templates/info_hebergement.twig

public/images/aff-jdev2020_v04.png

public/images/aff-jdev2020_v04_min.png

public/images/partenaire/FrenchTech_min.png

public/images/planinsa.png

public/images/rennes1.jpg

public/images/rennes2.jpg

public/images/rennes3.jpg

public/images/rennes4.jpg