Added wgmlst_chewbbaca report and results markdowns

[svarona]

PR checklist

• [X] This comment contains a description of changes (with reason).
• [X] Make sure your code lints (black and flake8).
• If a new tamplate was added make sure:
  • [X] Template's schema is added in templates/services.json.
  • [X] Template's pipeline's documentation in assets/reports/md/template.md is added.
  • [X] Results Documentation in assets/reports/results/template.md is updated.
• [X] CHANGELOG.md is updated.
• [X] README.md is updated (including new tool citations and authors/contributors).
• [X] If you know a new user was added to the SFTP, make sure you added it to templates/sftp_user.json

Realted to issue https://github.com/BU-ISCIII/BU-ISCIII/issues/50