feat: add internationalization message platform

src/presentation/pages/not-found-page.jsx

@@ -2,17 +2,19 @@ import { Link } from "react-router-dom";
 
 import { routePath } from "../../features/installed-feature-contracts.js";
 import { PageHeader } from "../design-system/index.js";
+import { useLocale } from "../i18n/index.js";
 
 export default function NotFoundPage() {
+  const { message } = useLocale();
   return (
     <section className="ui-page">
       <PageHeader
-        title="페이지를 찾을 수 없습니다."
-        description="주소를 확인하거나 준비된 시작 화면으로 돌아가세요."
+        title={message("page.notFound.title")}
+        description={message("page.notFound.description")}
       />
       <div>
         <Link className="ui-button" to={routePath("APP_HOME")}>
-          홈으로 이동
+          {message("action.goHome")}
         </Link>
       </div>
     </section>