feat: integrate Novita as an optional LLM provider

[Alex-wuhu]

Summary

Add Novita as an optional LLM provider to the OpenCrew configuration framework.

Changes

• Created (zh + en) with the Novita provider configuration snippet.
• Updated and to include Novita in the deployment prompt.
• Updated and to include a specific step for Novita integration in the Agent instructions.
• Updated to version 0.2.3.

Testing

• Verified markdown files and links.
• Verified that the integration uses and maintains backward compatibility (it is an optional step).