Added default content for “smtp.email-validation”

src/main/resources/default-content/smtp.email-verification

+{
+	"en": {
+		"title": "Verify your email address",
+		"body": "<h2><small>Genesys account</small><br/>Verify your email address</h2><p>You can already use your Genesys account. We need to confirm your email account before granting you access to all Genesys features.</p><p><a href=\"{0}/profile/{1}/validate\">Verify {2}</a></p><h2>Validation key: {3}</h2><p>If you didn't make this request, <a href=\"{0}/profile/{1}/cancel\">click here to cancel</a>.</p><p>Thanks,<br/ >Genesys team</p>"
+	}
+}
\ No newline at end of file