feat(召唤系统): 实现彩虹旗召唤物及相关功能

添加SummonBase作为召唤物基类，实现LGBTFlag召唤物
修改LGBTWeapon从发射子弹改为召唤彩虹旗
在ComponentManager中添加召唤物管理功能
更新公鸡角色预设使用彩虹旗武器

scripts/Contents/Summons/LGBTFlag.gd

@@ -0,0 +1,22 @@
+extends SummonBase
+
+var atk: float = 0
+var maxTraceTime: float = 0
+var tracePower: float = 0
+
+func register():
+	fields[FieldStore.Entity.MAX_HEALTH] = 100
+	attackCooldownMap[0] = 500
+func ai():
+	tryAttack(0)
+func attack(type):
+	if type == 0:
+		for bullet in BulletBase.generate(
+			ComponentManager.getBullet("LGBTBullet"),
+			self,
+			findWeaponAnchor("normal"),
+			position.angle_to_point(EntityTool.findClosetEntity(position, get_tree(), false, true).position)
+		):
+			bullet.damage = atk
+			bullet.maxTraceTime = maxTraceTime
+			bullet.tracePower = tracePower

scripts/Contents/Summons/LGBTFlag.gd.uid

@@ -0,0 +1 @@
+uid://11fi3jjdm810