new module: dysgu=v1.6.2

[poddarharsh15]

Hi, I am trying to learn how to add this new module "dysgu" for analysing structural variant in short or long reads in nf-core/sarek.

### Tasks
- [ ] Creating conda environment for dysgu.nf
- [ ] I am searching for a PR for this module
- [ ] Working on meta.yml and main.nf files