Add parameters to write non-CpG result data

BedGraph

- `--chg-bedgraph`
- `--chh-bedgraph`

Bismark cov

- `--chg-bismark-cov`
- `--chh-bismark-cov`

Cytosine report

- `--chg-cytosine-report`
- ` --chh-cytosyne-report`
- `--cx-cytosine-report`