Build a skeletal framework for my class page

_authors/jill.md

_authors/ted.md

_data/navigation.yml

_layouts/author.html

_layouts/post.html

_posts/2019-02-13-bananas.md

_posts/2019-02-13-kiwis.md

_posts/2019-02-13-pset1.md

about.md

index.html

index.md

psets.html

staff.html