The accomodation is not provided by the organizers, you have to book the hotel yourself.
The CNRST is situated 8 km from the Rabat downtown train station ( Go to map )
Some suggested hotels are:
Downtown Hotels :
Onomo Terminus Hotel Rabat https://www.onomohotels.com/hotel/onomo-hotel-rabat-terminus/
NJ Hotel Rabat. https://www.njhotel.ma/fr/index
Belere Hotel https://www.belere-hotels.com/
Agdal Hotels :
Marriott Rabat Hotel. https://www.marriott.com/en-us/hotels/rbamc-rabat-marriott-hotel/overview/
Flower Town Hotel https://flowertown-hotel.com/
Transportation options include the tramway and taxis or directly by taxi (approx. ~ 3 Euro).