feat(UI): 添加提示框组件及显示功能

实现提示框组件TipBox，包含显示和隐藏动画效果
在UIState中添加showTip方法用于显示提示信息
更新UI场景以包含提示框容器

scripts/Statemachine/TipBox.gd

@@ -0,0 +1,24 @@
+@tool
+extends PanelContainer
+class_name TipBox
+
+@export var text: String = "nothing"
+
+@onready var label: Label = $%label
+@onready var animator: AnimationPlayer = $%animator
+
+func _ready():
+    label.text = text
+    animator.play("show")
+func _process(_delta):
+    label.text = text
+
+func destroy():
+    animator.play("hide")
+    await animator.animation_finished
+    queue_free()
+
+static func create(applyText: String) -> TipBox:
+    var box = ComponentManager.getUIComponent("TipBox")
+    box.text = applyText
+    return box