Description

This PR is an enhancement to the MolEvolvR package repository. It enables a github-pages pkgdown website for the package.

What kind of change(s) are included?

[ ] Feature (adds or updates new capabilities)
[ ] Bug fix (fixes an issue).
[x] Enhancement (adds functionality).
[ ] Breaking change (these changes would cause existing functionality to not work as expected).

Please ensure that all boxes are checked before indicating that this pull request is ready for review.

[x] I have read and followed the CONTRIBUTING.md guidelines.
[x] I have searched for existing content to ensure this is not a duplicate.
[x] I have performed a self-review of these additions (including spelling, grammar, and related).
[x] I have added comments to my code to help provide understanding.
[ ] I have added a test which covers the code changes found within this PR.
[ ] I have deleted all non-relevant text in this pull request template.
[ ] Reviewer assignment: Tag a relevant team member to review and approve the changes.