[12531] Implement the spells used in the Chess Event encounter

Combat spell entries: 37775, 37824, 39338, 39342, 39341, 39344, 45260
Melee spells: 37142, 37143, 37147, 37149, 37150, 37220, 37227, 37228, 37337, 37339, 37345, 37348
Chess movement spells: 30012, 32312, 37388, 30284, 37144, 37146, 37148, 37151, 37152, 37153
Aura stacking exception: 32261 and 39400