[i18n-vi] Translate README.md to Vietnamese

[hoangsvit]

What does this PR do?

This PR adds a Vietnamese translation for the README.md.

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).

Who can review?

Documentation: @stevhliu and @MKhalusova

[stevhliu]

Nice job!

I can't read any Vietnamese so unfortunately, I can't review the content itself. Do you know any other Vietnamese-readers in the ML community who would be able to review your work?

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[hoangsvit]

Nice job!

I can't read any Vietnamese so unfortunately, I can't review the content itself. Do you know any other Vietnamese-readers in the ML community who would be able to review your work?

Could you please help me, @davidnguyen-94 ?

[davidnguyen-94]

Nice job!
I can't read any Vietnamese so unfortunately, I can't review the content itself. Do you know any other Vietnamese-readers in the ML community who would be able to review your work?

Could you please help me, @davidnguyen-94 ?

Sure, I'd be happy to help!
I have checked and the translation is completely reasonable. @stevhliu @hoangsvit