Added support for AMQP extension in workspace and php-fpm containers.

env-example

@@ -63,6 +63,7 @@ WORKSPACE_INSTALL_LDAP=false
 WORKSPACE_INSTALL_SOAP=false
 WORKSPACE_INSTALL_IMAP=false
 WORKSPACE_INSTALL_MONGO=false
+WORKSPACE_INSTALL_AMQP=false
 WORKSPACE_INSTALL_PHPREDIS=false
 WORKSPACE_INSTALL_MSSQL=false
 WORKSPACE_INSTALL_NODE=false
@@ -97,6 +98,7 @@ WORKSPACE_SSH_PORT=2222
 
 PHP_FPM_INSTALL_XDEBUG=false
 PHP_FPM_INSTALL_MONGO=false
+PHP_FPM_INSTALL_AMQP=false
 PHP_FPM_INSTALL_MSSQL=false
 PHP_FPM_INSTALL_SOAP=false
 PHP_FPM_INSTALL_ZIP_ARCHIVE=false