Added more jekyll commands to about.html
Added more commands to dinosaurs.html
Added more commands to index.html
Added banner.jpeg
Added more content to header.css
Added more jekyll commands to default.html
Moved dinosaurs.html to new folder
Renamed dinosaurs.html to index.html in dinosaurs folder
Added promo-small.html to _includes folder
Added promos.css
Added trex.md to dinosaurs folder
Added promos to index.html
Fixed spelling to about.html