Update CONTRIBUTING to reflect creation of research folder
Update CONTRIBUTING to reflect creation of research folder

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