[Feature] Integration of Novita as the backend

[dongyuanjushi]

Checked other resources

• I added a very descriptive title to this issue.
• I am sure the issue hasn't been already addressed by searching through https://github.com/agiresearch/AIOS/issues.

The feature, motivation and pitch

Integration of the LLM apis of Novita as new LLM backend in AIOS

Alternatives

No response

Additional context

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