新增基础数据接口库，MOM工艺路线模版左侧树形结构返回

common/Tnb.Common/Contracts/BaseEntity`1.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using JNPF.Common.Contracts;
+using SqlSugar;
+
+namespace Tnb.Common.Contracts
+{
+    public class BaseEntity<TKey> : IEntity<TKey> where TKey : IEquatable<TKey>
+    {
+        /// <summary>
+        /// 获取或设置 编号.
+        /// </summary>
+        [SugarColumn(ColumnName = "id", ColumnDescription = "主键", IsPrimaryKey = true)]
+        public TKey Id { get; set; }
+    }
+
+}