feat: enhance ClientLibraryPage with LibraryHeader component and improve loading skeleton structure for better user experience

src/i18n/messages/en/common.json

@@ -197,6 +197,14 @@
         "title": "Error",
         "description": "An error occurred"
       }
+    },
+    "header": {
+      "series": "{{count}} series",
+      "series_plural": "{{count}} series",
+      "books": "{{count}} book",
+      "books_plural": "{{count}} books",
+      "unavailable": "This library is currently unavailable",
+      "coverAlt": "Cover of {{name}}"
     }
   },
   "series": {

src/i18n/messages/fr/common.json

@@ -197,6 +197,14 @@
         "title": "Erreur",
         "description": "Une erreur est survenue"
       }
+    },
+    "header": {
+      "series": "{{count}} série",
+      "series_plural": "{{count}} séries",
+      "books": "{{count}} livre",
+      "books_plural": "{{count}} livres",
+      "unavailable": "Cette bibliothèque est actuellement indisponible",
+      "coverAlt": "Couverture de {{name}}"
     }
   },
   "series": {