Re-added the "GhostOpponent" class to determine if the enemy is capable of dodging projectiles.
Added a list of traits to the enemies that the game will use to determine certain actions. - The trait to have a 25% chance to dodge projectiles has been implemented.
Implémenté la mécanique pour que l'ennemi fantôme puisse esquiver les projectiles. Cette implémentation devra être testé.
