Add result to example (#10953)

Author: shaedrich

collections.md

@@ -82,6 +82,8 @@ Collection::macro('toLocale', function (string $locale) {
 $collection = collect(['first', 'second']);
 
 $translated = $collection->toLocale('es');
+
+// ['primero', 'segundo'];
 ```
 
 <a name="available-methods"></a>