Add translation

src/public/app/widgets/type_widgets/options/backup.js

@@ -45,8 +45,8 @@ const TPL = `
     <table class="table table-stripped">
         <thead>
             <tr>
-                <th>Date and time</th>
-                <th>Path</th>
+                <th>${t("backup.date-and-time")}</th>
+                <th>${t("backup.path")}</th>
             </tr>
         </thead>
         <tbody class="existing-backup-list-items">

src/public/translations/en/translation.json

@@ -1183,6 +1183,8 @@
     "backup_now": "Backup now",
     "backup_database_now": "Backup database now",
     "existing_backups": "Existing backups",
+    "date-and-time": "Date & time",
+    "path": "Path",
     "database_backed_up_to": "Database has been backed up to",
     "no_backup_yet": "no backup yet"
   },