Add new config variable SERVICE_NAME
diff --git a/templates/header.htm b/templates/header.htm
index 1d450df..23acf05 100644
--- a/templates/header.htm
+++ b/templates/header.htm
@@ -5,7 +5,7 @@
     <!-- Required meta tags -->
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <title>Sign Up</title>
+    <title>Sign up for <?php echo $SERVICE_NAME; ?></title>
     <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
     <link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-glyphicons.css" rel="stylesheet">
     <link rel="stylesheet" href="<?php echo $BASE_URL?>/static/main.css" >