[WIP] Fix markdown style for vercel

[liangyuanpeng]

Signed-off-by: Lan Liang gcslyp@gmail.com

[vercel]

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Name	Status	Preview	Updated
website	✅ Ready (Inspect)	Visit Preview	Jun 13, 2022 at 1:32PM (UTC)

[ks-ci-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: liangyuanpeng
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[renyunkang]

The format seems not correct, preview it on this link.

[liangyuanpeng]

The format seems not correct, preview it on this

Still working, have not ready for review, thanks.

[renyunkang]

Vercel uses hugo 0.58.2 for build and deployment by default, so it causes problems parsing markdown format. We can use environment variables to set to the version we need. https://vercel.com/docs/concepts/deployments/environments#specifying-framework-versions