chore: upgrade to nuxt 4

app/composables/metadata.ts

@@ -0,0 +1,13 @@
+/**
+ * Set the page title in the format [title] | [site name].
+ * @param title The title string.
+ */
+export function useTitle(title: string, description?: string) {
+  useHead({
+    title: `${title} | Oeufs?`,
+    meta: [
+      { name: "viewport", content: " width=device-width,initial-scale=1" },
+      { name: "description", content: description ?? "" },
+    ],
+  });
+}