- add support for domain_api container for JSON encoding
- separated server api containers out of the listener_admin
- added domain track to connection
- add extension to the send channel to identify domain associated to send bytes
- helper function for adding tracked domain
- implemented outbound byte counter for domain (inbound will come when we resolve the packer issues)
- collects a list of WSS servers, and the connection structure
- calculates a connection duration
- collects the bytes in/out
- encodes to JSON and sends response.