breaking change: writeToDisk defaults to false

[chenjiahan]

Summary

dev.writeToDisk defaults to false.

Motivation:

• Reduce fs overhead and improve dev server performance.
• Avoid trigger watcher of UnoCSS and other tools. See [Bug]:An infinity loop in HMR occurs when saving the Unocss code #654.
• Align the default behavior with webpack-dev-middleware and other community dev servers.

User can enable writeToDisk manually:

export default {
  dev: {
    writeToDisk: true,
  }
};

Related Links

#813

Checklist

• I have updated the documentation.
• I have added tests to cover my changes.

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