added nginx example ssl configuration file with free letsencrypt.org certificates
added nginx example ssl configuration file with free letsencrypt.org certificates

monotek/zammad,zammad/zammad,monotek/zammad,monotek/zammad,monotek/zammad,zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad