fix 404 on direct /something hits

workers-site/index.js

@@ -47,7 +47,7 @@ async function handleEvent(event) {
     if (!DEBUG) {
       try {
         let notFoundResponse = await getAssetFromKV(event, {
-          mapRequestToAsset: req => new Request(`${new URL(req.url).origin}/404.html`, req),
+          mapRequestToAsset: req => new Request(`${new URL(req.url).origin}/index.html`, req),
         })
 
         return new Response(notFoundResponse.body, { ...notFoundResponse, status: 404 })