### What problem does this PR solve?
Add test for CI
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
Co-authored-by: liuhua <10215101452@stu.ecun.edu.cn>
### What problem does this PR solve?
Add create_dataset method, test for it, and update SDK->sdk.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
Signed-off-by: cecilia-uu <konghui1996@163.com>
### What problem does this PR solve?
Create python SDK to return the version of RAGFlow.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
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Co-authored-by: cecilia-uu <konghui1996@163.com>