feat: better metadata, robots, and sitemap; simplify layout w/ AnimatedTitle and I18nProvider components

components/AnimatedTitle.tsx

@@ -0,0 +1,29 @@
+"use client"
+
+import { useEffect } from "react";
+
+export default function AnimatedTitle() {
+  useEffect(() => {
+    const title = 'aidxn.cc';
+    let index = 1;
+    let forward = true;
+    const interval = setInterval(() => {
+      document.title = title.substring(0, index);
+      if (forward) {
+        index++;
+        if (index > title.length) {
+          forward = false;
+          index = title.length - 1;
+        }
+      } else {
+        index--;
+        if (index < 1) {
+          forward = true;
+          index = 1;
+        }
+      }
+    }, 500);
+    return () => clearInterval(interval);
+  }, []);
+  return null;
+}