Improve README and add link to github pages
Improve README and add link to github pages

Resolves:
https://github.com/joffrey-bion/livedoc/issues/48

joffrey-bion/livedoc,joffrey-bion/livedoc,joffrey-bion/livedoc,joffrey-bion/livedoc,joffrey-bion/livedoc