Describe CNV input and output
Example:
DEL: https://api.genebe.net/cloud/api-public/v1/cnvs?chr=chr7&start=72846244&end=74187855&svType=DEL&omitAcmg=False&genome=hg38
DUP: https://api.genebe.net/cloud/api-public/v1/cnvs?chr=chr7&start=72846244&end=74187855&svType=DUP&omitAcmg=False&genome=hg38