update DAO with annotation

src/main/java/metier/Choix.java

@@ -2,7 +2,11 @@ package metier;
 
 import java.util.ArrayList;
 
+import jakarta.persistence.DiscriminatorValue;
+import jakarta.persistence.Entity;
 
+@Entity
+@DiscriminatorValue("Choix")
 public class Choix extends Reponse{
     ArrayList<String> choix;