feat(tenant): 添加租户管理地址和域名字段

- 在Tenant实体类中新增adminUrl、domain和freeDomain字段
- 为新字段添加Schema注解描述和TableField注解标记为非数据库字段
- 修改TenantMapper.xml中的关联查询SQL，添加对新字段的查询支持

src/main/java/com/gxwebsoft/common/system/entity/Tenant.java

@@ -99,6 +99,18 @@ public class Tenant implements Serializable {
   @TableField(exist = false)
   private String phone;
 
+  @Schema(description = "管理地址")
+  @TableField(exist = false)
+  private String adminUrl;
+
+  @Schema(description = "顶级域名")
+  @TableField(exist = false)
+  private String domain;
+
+  @Schema(description = "免费域名")
+  @TableField(exist = false)
+  private String freeDomain;
+
   public String getPhone(){
     return DesensitizedUtil.mobilePhone(this.phone);
   }

src/main/java/com/gxwebsoft/common/system/mapper/xml/TenantMapper.xml

@@ -4,7 +4,7 @@
 
     <!-- 关联查询sql -->
     <sql id="selectSql">
-        SELECT a.*,b.company_name,b.company_logo as logo
+        SELECT a.*,b.company_name,b.company_logo as logo,b.admin_url,b.domain,b.free_domain
         FROM sys_tenant a
         LEFT JOIN sys_company b ON a.tenant_id = b.tenant_id
         <where>