fix: language on home page

messages/en.json

@@ -25,7 +25,7 @@
   },
   "home": {
     "name": "Iceberg Server",
-    "welcome": "Welcome to your Vite + React + Tailwind app",
+    "welcome": "Welcome to Iceberg Chat. Log in to start.",
     "start": "Get Started"
   }
 }

messages/fr.json

@@ -25,7 +25,7 @@
   },
   "home": {
     "name": "Iceberg Server",
-    "welcome": "Bienvenue sur votre application Vite + React + Tailwind",
+    "welcome": "Bienvenue sur Iceberg Chat. Veuillez vous connecter pour continuer.",
     "start": "Commencer"
   }
 }

src/app/[locale]/page.tsx

@@ -64,7 +64,7 @@ export default function Home() {
 
   if (!isLoggedIn) {
     return (
-      <div className="flex flex-col items-center justify-center">
+      <div className="flex flex-1 flex-col items-center justify-center">
         <h1 className="text-5xl font-bold text-cyan-400">{t('name')}</h1>
         <p className="mt-4 text-gray-400">{t('welcome')}</p>
         <button