Add translation keys for new admin nav items in all languages

src/messages/de.json

@@ -661,6 +661,7 @@
         "advertisements": "Werbung",
         "writeableBoxes": "Editierbare Boxen",
         "photos": "Fotos",
+        "tickets": "Tickets",
         "usersAndAccess": "Benutzer & Zugang",
         "users": "Benutzer",
         "bans": "Banns",
@@ -681,6 +682,15 @@
         "calendar": "Kalender",
         "radio": "Radio",
         "radioHistory": "Radio-Verlauf",
+        "radioBanners": "Banner",
+        "radioEmbed": "Einbettung",
+        "radioApiKeys": "API-Schlüssel",
+        "radioModeration": "Moderation",
+        "radioSettings": "Einstellungen",
+        "radioMonitoring": "Überwachung",
+        "radioPoints": "Punkte",
+        "radioRanks": "Ränge",
+        "radioAutodj": "Auto DJ",
         "system": "System",
         "commandocentrum": "Commandocentrum",
         "emulator": "Emulator",
@@ -697,7 +707,10 @@
         "backToSite": "Zurück zur Website",
         "hotelManagementPanel": "Hotel-Verwaltungsbereich",
         "rankLabel": "Rang {rank}",
-        "favicon": "Favicon"
+        "favicon": "Favicon",
+        "sounds": "Sounds",
+        "translations": "Übersetzungen",
+        "import": "Importieren"
       },
       "dashboard": {
         "title": "Dashboard",