Update .travis.yml

Author: jeremykenedy

.travis.yml

@@ -22,9 +22,11 @@ before_script:
   - cd laravelusers
   - composer self-update
   - composer install --prefer-source --no-interaction
+  - composer require laravel/ui
   - composer require jeremykenedy/laravel-users
   - php artisan key:generate
   - php artisan vendor:publish --tag=laravelusers
+  - php artisan ui vue --auth
   - php artisan make:auth
   - composer dump-autoload
   - php artisan clear-compiled