feat: 添加蘑菇矿挖爪武器及其相关功能

添加新的武器蘑菇矿挖爪，包括武器脚本、子弹脚本和场景文件。修改BulletBase.gd以支持新武器的功能，并在Rooster角色中添加该武器。同时设置rooster节点为初始不可见状态。

- 新增MushroomPickaxe武器，具有概率掉落物品的特性
- 修改BulletBase的succeedToHit方法以支持实体参数
- 在Rooster场景中添加新武器
- 设置rooster节点的currentInvinsible属性为true

components/Bullets/MushroomPickaxe.tscn

@@ -0,0 +1,85 @@
+[gd_scene load_steps=10 format=3 uid="uid://dyo1ysooo1l4x"]
+
+[ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_2jrlq"]
+[ext_resource type="Script" path="res://scripts/Contents/Bullets/MushroomPickaxe.gd" id="2_iyw38"]
+[ext_resource type="Texture2D" uid="uid://cqg0aluvegqfe" path="res://resources/bullets/MushroomPickaxe/frames/Shroomite_Digging_Claw.webp" id="2_symlj"]
+
+[sub_resource type="Animation" id="Animation_j8qom"]
+length = 0.001
+
+[sub_resource type="Animation" id="Animation_oinqg"]
+resource_name = "destroy"
+length = 0.5
+step = 0.1
+
+[sub_resource type="Animation" id="Animation_ynxlt"]
+resource_name = "loop"
+loop_mode = 1
+step = 0.1
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:rotation")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 1),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [0.0, 6.28319]
+}
+
+[sub_resource type="Animation" id="Animation_kmogx"]
+resource_name = "spawn"
+length = 0.2
+step = 0.05
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:rotation")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.2),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [-0.785398, 0.785]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_qrtcj"]
+_data = {
+"RESET": SubResource("Animation_j8qom"),
+"destroy": SubResource("Animation_oinqg"),
+"loop": SubResource("Animation_ynxlt"),
+"spawn": SubResource("Animation_kmogx")
+}
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_lp71g"]
+size = Vector2(80, 170)
+
+[node name="MushroomPickaxe" instance=ExtResource("1_2jrlq")]
+script = ExtResource("2_iyw38")
+displayName = "蘑菇矿挖爪"
+speed = 0.0
+damage = 1.0
+penerate = 1.0
+autoSpawnAnimation = true
+freeAfterSpawn = true
+
+[node name="texture" parent="." index="0"]
+rotation = 0.785
+
+[node name="animator" parent="texture" index="0"]
+libraries = {
+"": SubResource("AnimationLibrary_qrtcj")
+}
+
+[node name="item" type="Sprite2D" parent="texture" index="1"]
+position = Vector2(200, 0)
+rotation = 0.785398
+scale = Vector2(2, 2)
+texture = ExtResource("2_symlj")
+
+[node name="hitbox" parent="." index="1"]
+position = Vector2(200, 0)
+shape = SubResource("RectangleShape2D_lp71g")