Build commands are needed for AWS Amplify

[cnpcshangbo]

Summary

Based on tests from my end and AWS Amplify. The build commands are needed to show pages.

What kind of change does this PR introduce?

Docs

For any code change,

• [ ] Related documentation has been updated if needed
• [ ] Related tests have been updated or tests have been added

Does this PR introduce a breaking change? (check one)

• [ ] Yes
• [x] No

If yes, please describe the impact and migration path for existing applications:

Related issue, if any:

Tested in the following browsers:

• [x] Chrome
• [ ] Firefox
• [ ] Safari
• [ ] Edge
• [ ] IE

[vercel[bot]]

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🔍 Inspect: https://vercel.com/docsify-core/docsify-preview/HJV7Uwq1rQhJ7uKK26GHK2cNsRvu
✅ Preview: https://docsify-preview-git-fork-cnpcshangbo-patch-1-docsify-core.vercel.app

[codesandbox-ci[bot]]

This pull request is automatically built and testable in CodeSandbox.

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Latest deployment of this branch, based on commit c6b2371f589f6f52bc9f3e6364f6e2937394b76e:

Sandbox	Source
docsify-template	Configuration

[sy-records]

Does docsify need to be built even if it only uses index.html as an entry point?