Revamp spacing scale

source/_patterns/02-organisms/00-global/footer.mustache

source/_patterns/02-organisms/00-global/navbar.mustache

source/_patterns/02-organisms/00-global/subnav.mustache

...terns/02-organisms/02-articles/article-card-list.mustache

source/_patterns/02-organisms/03-hero/hero.mustache

source/_patterns/02-organisms/03-hero/image-hero.mustache

source/_patterns/03-templates/article-detail.mustache

source/_patterns/03-templates/elections-main.mustache

source/css/atoms/avatar.pcss

source/css/atoms/button.pcss

source/css/atoms/card.pcss

source/css/atoms/contact-line.pcss

source/css/atoms/figure.pcss

source/css/atoms/flag.pcss

source/css/atoms/list.pcss

source/css/atoms/quotation.pcss

source/css/atoms/super-button.pcss

source/css/atoms/table.pcss

source/css/molecules/article-card.pcss

source/css/molecules/badge.pcss