Add an apk package for php-imagick
It would be great to see php-imagick available in apk to avoid all the trouble required to install it. Right now we have to do something like this to get it working.
http://php.net/manual/en/imagick.setup.php\#92727
(from redmine: issue id 4277, created on 2015-06-08, closed on 2018-08-22)