upload.go: Moved extension check to its own function.
Removed useless markdown files
Stylesheets: Added new stylesheet workflow
templates: Moved files from tmp/ to templates/
main.go: Removed redudant `./`
upload.go: Changed path to files/
Disallows user to view any file without exact URL.
Also remove redudant `./`.
main.go: Added file handler
File handler will display any file that exists.
Otherwise 404.
Return url to file to user.
Give user response if credentials are invalid.
Added .pdf to upload handler.
Changed text to something more appropriate.
Added quotes from oblivion to vip.html
Moved all upload code to upload.go