feat(偷窃系统): 实现偷窃系统基础功能

- 添加偷窃系统配置文件及脚本入口
- 实现NPC交互菜单和偷窃功能逻辑
- 添加网络通信协议处理
- 初始化偷窃配置数据并注册NPC交互
- 完善偷窃解锁动画和状态管理

FileConfig.json

@@ -128,6 +128,18 @@
                 "ImageMini": "http://49.234.27.222:8651/dps/download2/Image:chengjiu.png"
             }
         },
+        "偷窃系统": {
+            "Private": true,
+            "Script": [
+                "Project/Steal/Steal.nut"
+            ],
+            "info": {
+                "ProjectAuthor": "官方  （期限:月）",
+                "ProjectVersion": "1.0.0",
+                "ProjectDescribe": "偷窃系统",
+                "ImageMini": "http://49.234.27.222:8651/dps/download2/Image:chengjiu.png"
+            }
+        },
         "异界装备升级": {
             "Private": true,
             "Enabled": false,