Support response streaming for OpenAI Assistants

[chrbsg]

Support streaming responses for Assistants, as in PR #713

[gesaleh]

is this supported now ?
is there an example of streaming response ?

[delabere]

Hey - I'd love to see this supported as well @sashabaranov is this in the pipeline at all? 🙏

[ShayanGsh]

Hey, any updates on this? #713 PR doesn't seem to have been merged. is there a way to stream Assistant's messages?

[massenz]

is this supported now ? is there an example of streaming response ?

There is an example in #713 (examples/assistant-streaming/main.go) but that one has been closed without being merged.