[BUG] Update Chunkr Integration

[Wendong-Fan]

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Motivation

Chunkr release their SDK and the original implementation is outdated and not working now, let's update by using their SDK https://docs.chunkr.ai/sdk/usage

Solution

No response

Alternatives

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Additional context

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[guowei-su]

Hi @Wendong-Fan, Can i try this?

[Wendong-Fan]

Thanks @guowei-su ! I assigned this item to you, let me know if there's any thing I can support, here is the contribution guideline FYR: https://github.com/camel-ai/camel/blob/master/CONTRIBUTING.md