init cf worker code

test/worker/cf-cdn-cgi-trace.js

@@ -0,0 +1,11 @@
+export default {
+	async fetch(request, env, ctx) {
+        const url = new URL(request.url);
+        const address  = url.searchParams.get("address");
+        if(!address){
+            return new Response('not pass address', { status: 200 });
+        }
+        const resp = fetch(`http://${address}/cdn-cgi/trace`);
+        return new Response((await resp).body, { status: 200 });
+	}
+};