Finish alert for new device login detection

backend/src/templates/emailVerification.handlebars

@@ -4,7 +4,7 @@
 <head>
     <meta charset="utf-8">
     <meta http-equiv="x-ua-compatible" content="ie=edge">
-    <title></title>
+    <title>Code</title>
 </head>
 
 <body>

backend/src/templates/newDevice.handlebars

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset="utf-8">
+    <meta http-equiv="x-ua-compatible" content="ie=edge">
+    <title>Successful login for {{email}} from new device</title>
+</head>
+
+<body>
+    <h2>Infisical</h2>
+    <p>We're verifying a recent login for {{email}}:</p>
+    <p><strong>Timestamp</strong>: {{timestamp}}</p>
+    <p><strong>IP address</strong>: {{ip}}</p>
+    <p><strong>User agent</strong>: {{userAgent}}</p>
+    <p>If you believe that this login is suspicious, please contact Infisical or reset your password immediately.</p>
+</body>
+
+</html>