Allow sirv to looks for precompiled gzip and brotli files by default (#1672)

Author: istarkov

.changeset/heavy-ways-agree.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-node': minor
+---
+
+Allow sirv to looks for precompiled gzip and brotli files by default

packages/adapter-node/src/server.js

@@ -30,7 +30,9 @@ export function createServer({ render }) {
 	const assets_handler = fs.existsSync(paths.assets)
 		? sirv(paths.assets, {
 				maxAge: 31536000,
-				immutable: true
+				immutable: true,
+				gzip: true,
+				brotli: true
 		  })
 		: noop_handler;