updated ROOT env-vars for docker-compose.yml languages/exercises to include new start_points folder
updated ROOT env-vars for docker-compose.yml languages/exercises to include new start_points folder

byran/cyber-dojo-web,cyber-dojo/web,byran/cyber-dojo-web,byran/cyber-dojo-web,cyber-dojo/web,byran/cyber-dojo-web,byran/cyber-dojo-web,byran/cyber-dojo-web,byran/cyber-dojo-web,byran/cyber-dojo-web,cyber-dojo/web,byran/cyber-dojo-web,cyber-dojo/web