* Introducing IOStream

* bug fixing

* polishing

* refactoring

* refactoring

* refactoring

* wip: async tests

* websockets added

* wip

* merge with main

* notebook added

* FastAPI example added

* wip

* merge

* getter/setter to iostream added

* website/blog/2024-03-03-AutoGen-Update/img/dalle_gpt4v.png: convert to Git LFS

* website/blog/2024-03-03-AutoGen-Update/img/gaia.png: convert to Git LFS

* website/blog/2024-03-03-AutoGen-Update/img/teach.png: convert to Git LFS

* add SSL support

* wip

* wip

* exception handling added to on_connect()

* refactoring: default iostream is being set in a context manager

* test fix

* polishing

* polishing

* polishing

* fixed bug with new thread

* polishing

* a bit of refactoring and docs added

* notebook added to docs

* type checking added to CI

* CI fix

* CI fix

* CI fix

* polishing

* obsolete todo comment removed

* fixed precommit error

---------

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* fix test

* Update test/agentchat/test_agent_logging.py

---------

Co-authored-by: Chi Wang <wang.chi@microsoft.com>

* do model check properly

* bug in logging test

* set llm_config

* WIP:logging

* serialize request, response and client

* Fixed code formatting.

* Updated to use a global package, and added some test cases. Still very-much a draft.

* Update work in progress.

* adding cost

* log new agent

* update log_completion test in test_agent_telemetry

* tests

* fix formatting

* Added additional telemetry for wrappers and clients.

* WIP: add test for oai client and oai wrapper table

* update test_telemetry

* fix format

* More tests, update doc and clean up

* small fix for session id - moved to start_logging and return from start_logging

* update start_logging type to return str, add notebook to demonstrate use of telemetry

* add ability to get log dataframe

* precommit formatting fixes

* formatting fix

* Remove pandas dependency from telemetry and only use in notebook

* formatting fixes

* log query exceptions

* fix formatting

* fix ci

* fix comment - add notebook link in doc and fix groupchat serialization

* small fix

* do not serialize Agent

* formatting

* wip

* fix test

* serialization bug fix for soc moderator

* fix test and clean up

* wip: add version table

* fix test

* fix test

* fix test

* make the logging interface more general and fix client model logging

* fix format

* fix formatting and tests

* fix

* fix comment

* Renaming telemetry to logging

* update notebook

* update doc

* formatting

* formatting and clean up

* fix doc

* fix link and title

* fix notebook format and fix comment

* format

* try fixing agent test and update migration guide

* fix link

* debug print

* debug

* format

* add back tests

* fix tests

---------

Co-authored-by: Adam Fourney <adamfo@microsoft.com>
Co-authored-by: Victor Dibia <victordibia@microsoft.com>
Co-authored-by: Chi Wang <wang.chi@microsoft.com>