Pontoon: Update K'iche' (quc) localization of Firefox Monitor Website

Co-authored-by: elenatambriz <elenatambriz@hotmail.com>

locales/quc/add-email.ftl

@@ -0,0 +1,8 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+### Dialog window that allows a user to add a new email address to be monitored
+
+add-email-add-another-heading = Chaya' jun chi toqoqxa'nib'al rech kemriqonib'al