Add single proxy or proxy list.

To add single proxy use this parameters:

• proxy_ip (required) - proxy ip or host
• proxy_port (required) - proxy port
• proxy_user (optional) - proxy username
• proxy_pass (optional) - proxy password

To add proxy list use this parameters:

• proxy_row (required) - proxy list in String format ip:port:user:pass. Each proxy must be start with new line (use \n separator)