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