chore: frontend i18n formatting

src/lib/i18n/locales/it-IT/translation.json

@@ -360,4 +360,4 @@
     "You": "Tu",
     "You're a helpful assistant.": "Sei un assistente utile.",
     "You're now logged in.": "Ora hai effettuato l'accesso."
-    }
+}

src/lib/i18n/locales/ja-JP/translation.json

@@ -360,4 +360,4 @@
     "You": "あなた",
     "You're a helpful assistant.": "あなたは役に立つアシスタントです。",
     "You're now logged in.": "ログインしました。"
-    }
+}