new module: REPEATMASKER

[GallVp]

Is there an existing module for this?

• [X] I have searched for the existing module

Is there an open PR for this?

• [X] I have searched for existing PRs

Is there an open issue for this?

• [X] I have searched for existing issues

Are you going to work on this?

• [X] If I'm planning to work on this module, I added myself to the Assignees to facilitate tracking who is working on the module

[GallVp]

• Will adopt from https://github.com/kherronism/nf-modules/blob/dev/modules/kherronism/repeatmasker/main.nf
• For visibility, @kherronism

[GallVp]

Added to a custom collection: https://github.com/GallVp/nxf-components/pull/10

Will port here after additional testing in pipelines.