fix: remove duplicate /api/v1 in article detail route loader

frontend/src/routes.tsx

@@ -196,7 +196,7 @@ const articleDetailRoute = createRoute({
     return <ArticleDetailComponent id={id} />
   },
   loader: async ({ params }) => {
-    const response = await fetch(`${import.meta.env.VITE_API_URL || 'http://localhost:3000'}/api/v1/articles/${params.id}`)
+    const response = await fetch(`${import.meta.env.VITE_API_URL || 'http://localhost:3000/api/v1'}/articles/${params.id}`)
     if (!response.ok) {
       return { article: null }
     }