Add extension zmq

.env.example

@@ -134,6 +134,7 @@ WORKSPACE_INSTALL_IMAP=false
 WORKSPACE_INSTALL_MONGO=false
 WORKSPACE_INSTALL_AMQP=false
 WORKSPACE_INSTALL_CASSANDRA=false
+WORKSPACE_INSTALL_ZMQ=false
 WORKSPACE_INSTALL_GEARMAN=false
 WORKSPACE_INSTALL_MSSQL=false
 WORKSPACE_INSTALL_DRUSH=false
@@ -228,6 +229,7 @@ PHP_FPM_INSTALL_IMAP=false
 PHP_FPM_INSTALL_MONGO=false
 PHP_FPM_INSTALL_AMQP=false
 PHP_FPM_INSTALL_CASSANDRA=false
+PHP_FPM_INSTALL_ZMQ=false
 PHP_FPM_INSTALL_GEARMAN=false
 PHP_FPM_INSTALL_MSSQL=false
 PHP_FPM_INSTALL_SSH2=false