Add support for tongyi-thousand-questions (DashScope)

[Cishoon]

Description

This pull request adds support for Alibaba Tongyi Qianwen large model and embeddings. It includes the addition of the dashscope package.

Fixes # (issue)

Type of change

• [x] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

This change has not yet been tested with new unit tests or updated existing tests.

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules
• [x] I have checked my code and corrected any misspellings

Maintainer Checklist

• [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
• [ ] Made sure Checks passed

[CLAassistant]

All committers have signed the CLA.

[Dev-Khant]

@Cishoon Can you please resolve the merge conflicts?

[Cishoon]

@Cishoon Can you please resolve the merge conflicts?

Ok, I have resolved it.

[taranjeet]

Hey @Cishoon Thank you for your contribution! At the moment, we’re focusing on integrations that are highly requested by the community. We appreciate your effort and will keep this in mind for future priorities.