Add count matrix metrics notebook

[github-actions[bot]]

file1: cellranger_pbmc10k_chr21_500k_reads.bam, file2: thermite_pbmc10k_chr21_500k_reads.bam

metric	fraction
file1 identical alignment to ref	0.907
file2 identical alignment to ref	0.881
file1 unaligned reads	0.0
file2 unaligned reads	0.0
file1 and file2 reads on same chr	1.0
file1 and file2 identical alignments	0.951
file1 and file2 overlapping align	1.0
file1 and file2 reads on same gene	0.998

file1: cellranger_pbmc10k_chrM_500k_reads.bam, file2: thermite_pbmc10k_chrM_500k_reads.bam

metric	fraction
file1 identical alignment to ref	0.984
file2 identical alignment to ref	0.974
file1 unaligned reads	0.0
file2 unaligned reads	0.0
file1 and file2 reads on same chr	1.0
file1 and file2 identical alignments	0.985
file1 and file2 overlapping align	1.0
file1 and file2 reads on same gene	1.0

[github-actions[bot]]

file1: cellranger_pbmc10k_chr21_500k_reads.bam, file2: thermite_pbmc10k_chr21_500k_reads.bam

metric	fraction
file1 identical alignment to ref	0.907
file2 identical alignment to ref	0.881
file1 unaligned reads	0.0
file2 unaligned reads	0.0
file1 and file2 reads on same chr	1.0
file1 and file2 identical alignments	0.951
file1 and file2 overlapping align	1.0
file1 and file2 reads on same gene	0.998

file1: cellranger_pbmc10k_chrM_500k_reads.bam, file2: thermite_pbmc10k_chrM_500k_reads.bam

metric	fraction
file1 identical alignment to ref	0.984
file2 identical alignment to ref	0.974
file1 unaligned reads	0.0
file2 unaligned reads	0.0
file1 and file2 reads on same chr	1.0
file1 and file2 identical alignments	0.985
file1 and file2 overlapping align	1.0
file1 and file2 reads on same gene	1.0