docs: clarify positioning of enhancedImages plugin relative to sveltekit plugin (#13766)

Co-authored-by: Ben McCann <322311+benmccann@users.noreply.github.com>

Author: crummy

documentation/docs/40-best-practices/07-images.md

@@ -45,7 +45,7 @@ import { defineConfig } from 'vite';
 
 export default defineConfig({
 	plugins: [
-		+++enhancedImages(),+++
+		+++enhancedImages(), // must come before the SvelteKit plugin+++
 		sveltekit()
 	]
 });