Add notification on Service Token expiration

backend/src/services/smtp/smtp-service.ts

@@ -43,7 +43,8 @@ export enum SmtpTemplates {
   SecretRequestCompleted = "secretRequestCompleted.handlebars",
   SecretRotationFailed = "secretRotationFailed.handlebars",
   ProjectAccessRequest = "projectAccess.handlebars",
-  OrgAdminProjectDirectAccess = "orgAdminProjectGrantAccess.handlebars"
+  OrgAdminProjectDirectAccess = "orgAdminProjectGrantAccess.handlebars",
+  ServiceTokenExpired = "serviceTokenExpired.handlebars"
 }
 
 export enum SmtpHost {

backend/src/services/smtp/templates/serviceTokenExpired.handlebars

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <meta http-equiv="x-ua-compatible" content="ie=edge" />
+    <title>Service Token Expired</title>
+  </head>
+
+  <body>
+    <h2>Your Service Token has expired</h2>
+    <p>Your service token <strong>"{{tokenName}}"</strong> has expired.</p>
+    
+    <p>This token was being used to access the project "{{projectName}}". To ensure continued service, please create a new token as soon as possible.</p>
+    
+    <a href="{{url}}">Create New Token</a>
+    
+    {{emailFooter}}
+  </body>
+</html>