1.添加邮箱登录，注册接口

src/main/java/vvpkassistant/mail/service/MailService.java

@@ -0,0 +1,11 @@
+package vvpkassistant.mail.service;
+
+import vvpkassistant.mail.model.MailModel;
+
+/*
+ * @author: ziin
+ * @date: 2025/8/4 15:42
+ */
+public interface MailService {
+    Boolean sendMail(MailModel model);
+}