[evol] adding .idea/ to .gitignore for those who use the Jetbrains suite
[evol] adding .idea/ to .gitignore for those who use the Jetbrains suite

CapsHil/Projet_Web_2017_ESIEA,CapsHil/Projet_Web_2017_ESIEA,CapsHil/Projet_Web_2017_ESIEA