Fix licence headers

Julien LepillerSun Jun 27 17:47:46+0300 2021

69f8406

gitile/assets/css
namelast commitdate
gitile.cssAdjust markdown renderingMon Jun 21 00:50:01+0300 2021
highlight.cssSupport gitignore highlightingSun Jun 27 01:46:55+0300 2021