add new line in code sample

Author: sarah11918

src/content/docs/en/guides/integrations-guide/node.mdx

@@ -125,7 +125,8 @@ import { defineConfig } from 'astro/config';
 import node from '@astrojs/node';
 
 export default defineConfig({
-  security  csp: true
+  security
+    csp: true
   },
   adapter: node({
     mode: 'standalone',