Notification Code.

src/main/java/net/gepafin/tendermanagement/service/NotificationService.java

@@ -0,0 +1,7 @@
+package net.gepafin.tendermanagement.service;
+
+import net.gepafin.tendermanagement.model.request.NotificationReq;
+
+public interface NotificationService {
+    NotificationReq sendNotification(Long userId, NotificationReq notificationReq);
+}