Ref culling kmer generation
Implemented reference culling section that will:
- Download reference fasta files from NCBI
- Generate kmers from input reads and reference files
Scripts modified:
- metacompass.nf - Add arg to calling ref_culling.nf
- ref_culling.nf - Processes to download references and generate kmers
Scripts added:
- collect_kmers.sh - Script that generates kmers from reads and references