* add software/pairtools
* create a branch for pairtools/restrict
* fix the different output of conda and docker
* remove customized code.
* add newline to Frag.bed file.
* change the folder of frag.bed.
* change \n to \r\n
* Remove work.frag.bed
Co-authored-by: JoseEspinosa <kadomu@gmail.com>
