新增站内信功能

yudao-module-system/yudao-module-system-biz/pom.xml

@@ -150,6 +150,11 @@
             <artifactId>yudao-spring-boot-starter-captcha</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-mail</artifactId>
+        </dependency>
+
         <!-- 监控相关 -->
         <dependency>
             <groupId>cn.iocoder.cloud</groupId>