Deploy install.sh to cloudflare (#11866)

Release Notes:

- N/A

.cloudflare/open-source-website-assets/src/worker.js

@@ -0,0 +1,28 @@
+/**
+ * Welcome to Cloudflare Workers! This is your first worker.
+ *
+ * - Run "npm run dev" in your terminal to start a development server
+ * - Open a browser tab at http://localhost:8787/ to see your worker in action
+ * - Run "npm run deploy" to publish your worker
+ *
+ * Learn more at https://developers.cloudflare.com/workers/
+ */
+export default {
+	async fetch(request, env) {
+		const url = new URL(request.url);
+		const key = url.pathname.slice(1).replace(/2$/, '');
+
+		const object = await env.OPEN_SOURCE_WEBSITE_ASSETS_BUCKET.get(key);
+		if (!object) {
+			return await fetch('https://zed.dev/404');
+		}
+
+		const headers = new Headers();
+		object.writeHttpMetadata(headers);
+		headers.set('etag', object.httpEtag);
+
+		return new Response(object.body, {
+			headers,
+		});
+	},
+};