accept bgz vcfs in index metadata
accept bgz vcfs in index metadata

macarthur-lab/seqr,macarthur-lab/xbrowse,macarthur-lab/xbrowse,ssadedin/seqr,macarthur-lab/seqr,ssadedin/seqr,macarthur-lab/seqr,macarthur-lab/xbrowse,macarthur-lab/xbrowse,ssadedin/seqr,macarthur-lab/xbrowse,ssadedin/seqr,macarthur-lab/seqr,macarthur-lab/seqr,macarthur-lab/xbrowse,ssadedin/seqr