new module: rgi/bwt

[vinisalazar]

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

Further Information

• Add a module for running rgi in bwt mode
• Must work vs fastq instead of just assembles
• Required for nickp60/funcprofiler#1

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