Installation
$ git clone https://github.com/sergeykish/live-pages.git
$ sudo pacman -S ruby attr
$ cd live-pages
$ bundle install
$ bundle exec rackup
Open http:https://localhost:9292/.
I store Content Type in xattr, it is not preserved in git repo so it should be reset
$ ./setmime text/css live.css
Otherwise modern browsers refuse to apply it.