init local code

src/main/java/com/yunhai/notice/entity/ContactsGroup.java

@@ -0,0 +1,28 @@
+package com.yunhai.notice.entity;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Table;
+
+/**
+ * 联系组。对应原 .NET Contacts_Group 表。
+ */
+@NoArgsConstructor
+@Data
+@Entity
+@Table(name = "contacts_group")
+@EqualsAndHashCode(onlyExplicitlyIncluded = true, callSuper = false)
+public class ContactsGroup extends BaseEntity {
+
+    /** 组名称 */
+    @Column(name = "group_name", length = 200)
+    private String groupName;
+
+    /** 创建人账号 */
+    @Column(name = "creator_account", length = 64)
+    private String creatorAccount;
+}