功能：添加启动器场景并更新项目设置

- 调整了启动器场景名（Assets/Launcher.unity）及对应的元数据文件。
- 添加了README.md项目文档，包含安装说明、项目结构、编码规范、测试指南及依赖项。

Assets/GameMain/Scripts/Event/LevelUpPropSelectedEventArgs.cs

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+using GameFramework;
+using GameFramework.Event;
+
+namespace CustomEvent
+{
+    public class LevelUpPropSelectedEventArgs : GameEventArgs
+    {
+        public static readonly int EventId = typeof(LevelUpPropSelectedEventArgs).GetHashCode();
+
+        public override int Id => EventId;
+
+        public int SelectedId { get; private set; }
+
+        public LevelUpPropSelectedEventArgs()
+        {
+            SelectedId = -1;
+        }
+
+        public static LevelUpPropSelectedEventArgs Create(int propId)
+        {
+            var args = ReferencePool.Acquire<LevelUpPropSelectedEventArgs>();
+            args.SelectedId = propId;
+            return args;
+        }
+
+        public override void Clear()
+        {
+            SelectedId = -1;
+        }
+    }
+}

Assets/GameMain/Scripts/Event/LevelUpPropSelectedEventArgs.cs.meta

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+guid: 3183e53376fbf95438a0a938510ce7f1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
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Assets/GameMain/Scripts/Event/Player.meta

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+fileFormatVersion: 2
+guid: 2540b6786a5c4f3aadd4f57c79b714b9
+timeCreated: 1770985387

Assets/GameMain/Scripts/Event/Player/PlayerLevelUpEventArgs.cs

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+using GameFramework;
+using GameFramework.Event;
+
+namespace CustomEvent
+{
+    public class PlayerLevelUpEventArgs : GameEventArgs
+    {
+        public static readonly int EventId = typeof(PlayerLevelUpEventArgs).GetHashCode();
+
+        public override int Id => EventId;
+
+        public PlayerLevelUpEventArgs()
+        {
+        }
+
+        public static PlayerLevelUpEventArgs Create()
+        {
+            var args = ReferencePool.Acquire<PlayerLevelUpEventArgs>();
+
+            return args;
+        }
+
+        public override void Clear()
+        {
+        }
+    }
+}

Assets/GameMain/Scripts/Event/Player/PlayerLevelUpEventArgs.cs.meta

@@ -0,0 +1,3 @@
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+guid: 59e602f086ce428396eab715b1277a23
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Assets/GameMain/Scripts/Event/Shop.meta

@@ -0,0 +1,3 @@
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+guid: 0ce83a125a974b49ad8a9251a8d73359
+timeCreated: 1770985411

Assets/GameMain/Scripts/Event/Shop/ShopContinueEventArgs.cs

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+using GameFramework;
+using GameFramework.Event;
+
+namespace CustomEvent
+{
+    public class ShopContinueEventArgs : GameEventArgs
+    {
+        public static readonly int EventId = typeof(ShopContinueEventArgs).GetHashCode();
+
+        public override int Id => EventId;
+
+        public ShopContinueEventArgs()
+        {
+        }
+
+        public static ShopContinueEventArgs Create()
+        {
+            var args = ReferencePool.Acquire<ShopContinueEventArgs>();
+
+            return args;
+        }
+
+        public override void Clear()
+        {
+        }
+    }
+}

Assets/GameMain/Scripts/Event/Shop/ShopContinueEventArgs.cs.meta

@@ -0,0 +1,3 @@
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+guid: b09ad1baac8a41338c0e42baf398beb8
+timeCreated: 1770986449

Assets/GameMain/Scripts/Event/Shop/ShopPurchaseEventArgs.cs

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+using GameFramework;
+using GameFramework.Event;
+
+namespace CustomEvent
+{
+    public class ShopPurchaseEventArgs : GameEventArgs
+    {
+        public static readonly int EventId = typeof(ShopPurchaseEventArgs).GetHashCode();
+
+        public override int Id => EventId;
+        
+        public int GoodsIndex { get; private set; }
+
+        public ShopPurchaseEventArgs()
+        {
+            GoodsIndex = -1;
+        }
+        
+        public static ShopPurchaseEventArgs Create(int index)
+        {
+            var args = ReferencePool.Acquire<ShopPurchaseEventArgs>();
+            
+            args.GoodsIndex = index;
+            
+            return args;
+        }
+        
+        public override void Clear()
+        {
+            GoodsIndex = -1;
+        }
+        
+    }
+}

Assets/GameMain/Scripts/Event/Shop/ShopPurchaseEventArgs.cs.meta

@@ -0,0 +1,3 @@
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+guid: 11c82e4a45804087b1aaf337e38a8836
+timeCreated: 1770986490

Assets/GameMain/Scripts/Event/Shop/ShopRefreshEventArgs.cs

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+using GameFramework;
+using GameFramework.Event;
+
+namespace CustomEvent
+{
+    public class ShopRefreshEventArgs : GameEventArgs
+    {
+        public static readonly int EventId = typeof(ShopRefreshEventArgs).GetHashCode();
+
+        public override int Id => EventId;
+        
+        public int Cost { get; private set; }
+
+        public ShopRefreshEventArgs()
+        {
+            Cost = 0;
+        }
+        
+        public static ShopRefreshEventArgs Create(int cost)
+        {
+            var args = ReferencePool.Acquire<ShopRefreshEventArgs>();
+            
+            args.Cost = cost;
+            
+            return args;
+        }
+        
+        public override void Clear()
+        {
+            Cost = 0;
+        }
+        
+    }
+}

Assets/GameMain/Scripts/Event/Shop/ShopRefreshEventArgs.cs.meta

@@ -0,0 +1,3 @@
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+timeCreated: 1770985436