feat: add media converter app and fix compilation errors

app/(app)/media/page.tsx

@@ -0,0 +1,17 @@
+import { FileConverter } from '@/components/media/FileConverter';
+
+export default function MediaPage() {
+  return (
+    <div className="min-h-screen py-12">
+      <div className="max-w-7xl mx-auto px-8 space-y-8">
+        <div>
+          <h1 className="text-4xl font-bold mb-2">Media Converter</h1>
+          <p className="text-muted-foreground">
+            Professional browser-based media conversion for video, audio, and images
+          </p>
+        </div>
+        <FileConverter />
+      </div>
+    </div>
+  );
+}