Added DokuStyle folder and doku.css file
edited markup from doku.html and styled it.
neue Schriftart für index.php: "sans-serif"
DokuStyle/doku.css: changed background from "body" and ".content-wrap"
Doku/doku.html: added some coments
Merge pull request #3 from LordKnoppers/master

Doku.html verändert