Linux CA certificate install instructions (#235)
Linux CA certificate install instructions (#235)

* p11-kit (Arch Linux, Fedora) instructions for CA certificate

* update-ca-certificates (Debian, Ubuntu etc) instructions for CA certificate
puma/puma-dev,puma/puma-dev,attilagyorffy/puma-dev,attilagyorffy/puma-dev,attilagyorffy/puma-dev,puma/puma-dev,puma/puma-dev,attilagyorffy/puma-dev