Display how to select/unselect all at once

Really wish there was a button option like in the original PR laravel/prompts#147

Author: emmadesilva

packages/framework/src/Console/Commands/PublishViewsCommand.php

@@ -155,6 +155,6 @@ protected function promptForFiles(Collection $files, string $baseDir): array
             return [$source => Str::after($source, $baseDir.'/')];
         });
 
-        return multiselect('Select the files you want to publish', $choices, [], 10, 'required', hint: 'Navigate with arrow keys, space to select, enter to confirm.');
+        return multiselect('Select the files you want to publish (CTRL+A to toggle all)', $choices, [], 10, 'required', hint: 'Navigate with arrow keys, space to select, enter to confirm.');
     }
 }