Release of MAESTRO v1.5.0

[baigal628]

1. Integrate single-sample and multi-sample pipeline into a single snakemake pipeline.
2. Update subcommand parameters based on the new changes.
3. Add chromap as the default alignment tool for scATAC-seq.
4. The single Snakefile is splitted into .smk by the function of rules.
5. Expand sample initiation sub-command to support fragment and bam file.
6. Fix the deduplication bug when starting from the fragment file.
7. Fix the mito.ratio to mito.percentage.
8. Update README and move the documentation to Workflowr.