(1) Add Project feature. (2) Fix exampleSite. (3) Various minor improvements.
(1) Add Project feature. (2) Fix exampleSite. (3) Various minor improvements.

UltraCoderRU/hugo-academic,UltraCoderRU/hugo-academic,gcushen/hugo-academic,ymcrcat/hugo-academic,skandhurkat/hugo-theme-cornellcsl,skandhurkat/hugo-theme-cornellcsl,gcushen/hugo-academic,gcushen/hugo-academic,gcushen/hugo-academic,ymcrcat/hugo-academic