Adds some confirmation dialogs for delete / restoring page

frontend/src/locales/en.json

@@ -10,6 +10,7 @@
   "label": "Label",
   "confirm": "Confirm",
   "close": "Close",
+  "accept": "Accept",
   
   // Common status
   "loading": "Loading...",

frontend/src/locales/es.json

@@ -6,7 +6,8 @@
   "create": "Crear",
   "apply": "Aplicar",
   "preview": "Vista previa",
-  "label": "Etiqueta",
+  "label": "Etiqueta", 
+  "accept": "Aceptar",
   "confirm": "Confirmar",
   "close": "Cerrar",
   "loading": "Cargando...",

frontend/src/locales/fr.json

@@ -9,6 +9,7 @@
   "label": "Étiquette",
   "confirm": "Confirmer",
   "close": "Fermer",
+  "accept": "Accepter",
   "loading": "Chargement...",
   "error": "Erreur",
   "success": "Succès",