XEP-0386: Bind 2

[lnjX]

https://xmpp.org/extensions/xep-0386.html

• [x] Implement parsing of Bind 2 elements (without bind2 extensions)
• [ ] OutgoingClient/Sasl2Manager: Use bind2 resource binding
• [ ] Config: Add option for custom resource tag
• [ ] Enable stream management
• [ ] Enable carbons (interaction with CarbonManager)
• [ ] Set initial CSI state
  • [ ] create internal CsiManager in OutgoingClient
• [ ] Provide MAM metadata (interaction with MamManager)