Update README informations for languague
Update README informations for languague

Do not remove en as default language.

PoUpA/Worldopole,brusselopole/Worldopole,ItsCEED/Worldopole,brusselopole/Worldopole,PoUpA/Worldopole,brusselopole/Worldopole,ItsCEED/Worldopole,PoUpA/Worldopole,ItsCEED/Worldopole,PoUpA/Worldopole,brusselopole/Worldopole