Update your packages with composer update or install with composer install.
Add the service provider
Open app/config/app.php and add the following item to the service providers array:
Three new artisan commands are now available:
Create the database for the current environment.
Drop the database for the current environment.
Run a batch of other artisan commands: db:create, migrate, db:seed
The command you will use the most is db:setup, this is the typical command you run
when grabbing an existing project, run it just after composer install or composer update,
but don't forget to set the database config just before.