feat(人物): 添加新角色cy的图片资源

fix(战斗): 调整Cat攻击伤害值从0.2降至0.01
refactor(动画): 简化EntityBase的受伤动画实现
perf(子弹): 优化ChickSprint伤害计算使用浮点数除法

scripts/Contents/Characters/Cat.gd

@@ -13,7 +13,7 @@ func attack(type: int):
 	if type == 0:
 		for bullet in BulletBase.generate(ComponentManager.getBullet("ChickSprint"), self, position, 0):
 			if bullet is ChickSprint:
-				bullet.atk = 0.2
+				bullet.atk = 0.01
 		trySprint()
 	return true
 func sprint():