Add better error handling to aero

src/app/aero/extras/[extras]/route.ts

@@ -0,0 +1,19 @@
+import fs from 'fs'
+import { notFound } from 'next/navigation'
+import { NextRequest } from 'next/server'
+
+export async function GET(_req: NextRequest, { params }: { params: { aero: string } }) {
+  const requestedFile = params.aero
+  try {
+    const res = await fetch(`https://unpkg.com/browse/aero-proxy/extras/${requestedFile}`)
+    const file = await res.text()
+    const fileBlob = new Blob([file])
+    return new Response(fileBlob, {
+      headers: {
+        'Content-Type': 'application/javascript'
+      }
+    })
+  } catch {
+    notFound()
+  }
+}