default user has changed

Signed-off-by: Sven Nierlein <sven@nierlein.de>
added affix side navigation

use it by replacing the default template with affix

Signed-off-by: Sven Nierlein <sven@nierlein.de>
added some basic documentation

Signed-off-by: Sven Nierlein <sven@nierlein.de>