Add translation for text label

src/languages/de-DE.js

@@ -163,6 +163,7 @@ export default {
     Pink: "Pink",
     "Search...": "Suchen...",
     "Heartbeat Retry Interval": "Überprüfungsintervall",
+    "Notification resend interval if down": "Benachrichtigung erneut versenden wenn Inaktiv",
     retryCheckEverySecond: "Alle {0} Sekunden neu versuchen",
     resendEveryMinute: "Erneut versenden alle {0} Minuten",
     resendDisabled: "Erneut versenden deaktiviert",

src/languages/en.js

@@ -74,6 +74,7 @@ export default {
     "Heartbeat Interval": "Heartbeat Interval",
     Retries: "Retries",
     "Heartbeat Retry Interval": "Heartbeat Retry Interval",
+    "Notification resend interval if down": "Notification resend interval if down",
     Advanced: "Advanced",
     "Upside Down Mode": "Upside Down Mode",
     "Max. Redirects": "Max. Redirects",