main.build.publicDir support mutlit point

[frankie-zeng]

Clear and concise description of the problem

some use case, we can't combine all resource into one place..

Suggested solution

string[]

Alternative

No response

Additional context

No response

Validations

• [X] Follow the Code of Conduct.
• [X] Read the Contributing Guidelines.
• [X] Read the docs.
• [X] Check that there isn't already an issue that requests the same feature to avoid creating a duplicate.

[alex8088]

This is an unreasonable requirement and Vite will not support it.