first create new database and change file .env and put the name of database and you username and password
in command line do : composer update
second you need to do this command in command line : php artisan migrate --seed
now we have some users please check your database and choose email and password for all : 123456789 and every user has his own products to make the 2 High # Priorities functions list products and add # # # discount check file api.php in directory routes to see the url you want to go.
if you didnt use laravel please note the route will be like :localhost/taskBestCommerce/public/api/ + route in api file