Dataset for CHISEL pseudonormal demo on chromosome 6

This dataset contains all the files required for the pseudonormal demo of CHISEL on chromosome 6. Specifically, the files included here are: `cells.bam` barcoded BAM file (using flag `CB:Z:[A,C,G,T]+`) for 40 single cells, with 30 tumor cells and 10 normal cells; `cells.bam.bai` index of the barcoded BAM file;