Document the connect() handler for inbound TCP sockets

[irvinebroque]

Existing documentation URL(s)

https://developers.cloudflare.com/workers/runtime-apis/handlers/

need a new dedicated page for this handler

What changes are you suggesting?

document the connect() handler

https://github.com/cloudflare/workerd/blob/main/src/workerd/api/tests/connect-handler-test-proxy.js

cloudflare/workerd#6059

Additional information

No response

[irvinebroque]

/bonk please research and make a PR to address

[ask-bonk]

Created PR #32443

github run