Add replaceable var in images domains array

examples/cms-wordpress/next.config.js

@@ -1,7 +1,7 @@
 module.exports = {
   images: {
     domains: [
-      "vercel.wpengine.com",
+      // "[yourapp].wpengine.com" (Update this to be your Wordpress application name in order to load images connected to your posts)
       "secure.gravatar.com"
     ]
   }