added offline working files

Signed-off-by: Anselm Hannemann <info@anselm-hannemann.com>
improved styling

Signed-off-by: Anselm Hannemann <info@anselm-hannemann.com>
adds syntax highlighting support, adds URL auto parsing

fixes #1 #2

Signed-off-by: Anselm Hannemann <info@anselm-hannemann.com>