增加 yudao-core-service 模块，提供共享逻辑

yudao-admin-server/src/main/java/cn/iocoder/yudao/adminserver/AdminServerApplication.java

@@ -3,7 +3,8 @@ package cn.iocoder.yudao.adminserver;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
-@SpringBootApplication
+@SuppressWarnings("SpringComponentScan") // 忽略 IDEA 无法识别 ${yudao.info.base-package} 和 ${yudao.core-service.base-package}
+@SpringBootApplication(scanBasePackages = {"${yudao.info.base-package}", "${yudao.core-service.base-package}"})
 public class AdminServerApplication {
 
     public static void main(String[] args) {