add build stats hash support

[xiaoxiangmoe]

Description

vuejs/vue-cli#6980

Vue-cli support angular like build stats output.

Maybe vite also need this.

Validations

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

[bluwy]

If this is a feature you need, I'd suggest submitting a PR directly. But it doesn't seem like they are users requesting for this feature. Closing this for now.