Merge branch 'Sand-Branch' into 'develop'

app/templates/base.twig

app/templates/home.twig

public/images/aff-jdev-2020_v04.png

public/images/aff-jdev-2020_v04_min.png

public/images/aff-jdev2020_v2.png

public/images/aff-jdev2020_v2_min.png

public/images/partenaire/FrencTech_min.png

public/images/partenaire/Inrae_min.png

public/images/partenaire/Logo_inria_fr_min.png

public/images/partenaire/lepoool_min.jpg

public/images/sponsor/EditionDiamond_min.jpg

public/images/sponsor/LinuxMagazine_min.png

public/images/sponsor/RDA_min.png