(client) feat:添加角色定义，为匿名定义建立索引，修复一些数据定义中的错误 (#39)

Co-authored-by: zzdxxz <2079238449@qq.com>
Co-committed-by: zzdxxz <2079238449@qq.com>

Client/Assets/Scripts/Data/ItemDefine.cs

@@ -0,0 +1,8 @@
+namespace Data
+{
+    public class ItemDefine:Define
+    {
+        public ImageDef texture;
+        public AttributesDef attributes;
+    }
+}