Fix file structure

[thiagomaf]

• [x] Remove data/promoters_Min-Yao.fasta from the repository (it is output data)
• [x] Remove data/promoters_Min-Yao.rda from the repository (it is output data)
• [x] Remove files from root
  • [x] use_this-commands.Rmd
  • [x] CSCpromoters.RData
  • [x] simplified_code.Rmd
  • [x] simplified_code.md
  • [x] working_code.Rmd
  • [x] working_code.md
  • [x] new_code.Rmd
  • [x] new_code.md
  • [x] GenomicFeatures.Rmd
  • [x] GenomicFeatures.md
• [x] Update .Rbuildignore file