[CI/CD] Remove release action

[Docs] Update README.md

[Feat] Add full support for mainland China

[Docs] Update README.md

[Feat] Add api endpoint field

[Refactor] Unstructured vec-lite

up

1.6.37

1.6.36

up

1.6.35

gpt-4-turbo

improve token calculations

1.6.34

improve token calculations