projects: update info

about: update info

remove old post

ci: update deploy

add sourcehut link

update contact

move to sourcehut

update theme

ci: use ubuntu bionic

ci: use gist for zola install

license: fix theme path

content: update domain

config: update domain

update domain

readme: update build badge

ci: change target repo

config: check external links

menu: add projects entry

update theme

config: add empty footer for spacing