Added info about AccessKey and SecretKey
Added info about AccessKey and SecretKey

marcusrehm/serenata-de-amor,marcusrehm/serenata-de-amor,marcusrehm/serenata-de-amor,datasciencebr/rosie,datasciencebr/serenata-de-amor,marcusrehm/serenata-de-amor,datasciencebr/serenata-de-amor