update some style

Signed-off-by: Thierry Le Moulec <thierry@smoothie-creative.com>
update social-link

Signed-off-by: Thierry Le Moulec <thierry@smoothie-creative.com>
Merge branch 'gh-pages' of github.com:zikube/zikube into gh-pages
First mailchimp form

Signed-off-by: Thierry Le Moulec <thierry@smoothie-creative.com>