Parse a small variants VCF file from DRAGEN with information about SNVs and indels
load_VCF_smallVar_DRAGEN(file)
is DRAGEN small variants vcf file path
Allele depths for normal and tumour for all PASS autosome SNVs
# not run
if (FALSE) {
load_VCF_smallVar_DRAGEN("Myfile.vcf")
}