feat: rebrand site to 'oeufs'

eggworld is a tad immature for me now. so we must call it oeufs. that'll show them.

composables/metadata.ts

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