Added ZhipuAI's API online interface description document

[glide-the]

What's being changed:

Added ZhipuAI's API online interface description document

Type of change:

• [X] Documentation updates (non-breaking change to fix/update documentation)

How Has This Been Tested?

• [ ] GitHub action – automated build completed without errors
• [X] Local build - the site works as expected when running yarn start

[weaviate-git-bot]

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[glide-the]

I agree