[examples] Update todo functionality in the "sveltekit" example (#7506)

examples/sveltekit/svelte.config.js

@@ -5,8 +5,10 @@ const config = {
 	kit: {
 		adapter: adapter(),
 
-		// hydrate the <div id="svelte"> element in src/app.html
-		target: '#svelte'
+		// Override http methods in the Todo forms
+		methodOverride: {
+			allowed: ['PATCH', 'DELETE']
+		}
 	}
 };