Fixed composer name
Fixed composer name

To be compatible with packagist
lapchenkovbyu/amazon-mws-laravel,VincentWon/mws,kibokosrl/phpAmazonMWS,Peardian/phpAmazonMWS,creacoon/amazon-mws-laravel,HMAZonderland/phpAmazonMWS,CPIGroup/phpAmazonMWS