docs: add Chinese README and link it from README

[cxf2015]

Description

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Prerequisites Checklist

• The code is up-to-date with the master branch
• I have reviewed the CONTRIBUTING.md guidelines
• The code follows the repository's coding style (TypeScript conventions, formatting, naming)
• All changes are testable and have been manually tested

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Regular PR

If your PR is a regular PR, to fix an issue, provide a new feature or change a behavior, follow this additional checklist:

• This PR must address an existing issue

Changes Made

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Localization PR

If your PR is related to localization, follow this additional checklist:

• Identify the language code, like "pt-br" (There is no need to identify the language name)
• All UI strings have been added/updated to package.nls.json
• All translations were added/updated to the corresponding package.nls.<language>.json file(s)
• All new messages and strings located in extension source code have been added/updated to l10n/bundle.l10n.json
• All translations were added/updated to the corresponding l10n/bundle.l10n.<language>.json file(s)
• All walkthrough content has been added/updated to their Markdown files
• All translations were added/updated to the corresponding walkthrough/someStep.pt-br.md file(s)

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Testing

• Tested locally with the extension running in VS Code
• Tested on Windows (if applicable)
• Tested on macOS (if applicable)
• Tested on Linux (if applicable)
• Tested on Remotes (Containers, WSL, etc.)
• Verified existing functionality still works (no regressions)

Documentation

• Updated README.md if adding user-facing features (if applicable)

Additional Notes

[Copilot]

Pull request overview

Adds Simplified Chinese documentation for the Project Manager VS Code extension and links it from the main README to improve accessibility for Chinese-speaking users.

Changes:

• Added a new README.zh-CN.md with Simplified Chinese documentation.
• Updated README.md to include a link to the Chinese README.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
README.zh-CN.md	Adds Simplified Chinese README content covering features, commands, settings, and usage.
README.md	Adds a language switch link to the new Chinese README.

[alefragnani]

Hi @cxf2015 ,

First of all, thank you for yor PR.

Please, take a look in the feedback provided. Since all comes from issues in the original README.md file itself, please also update it so both will be fixed.

Thanks in advance

[cxf2015]

All the problems mentioned above have been fixed.

[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated no new comments.

[alefragnani]

Hi @cxf2015 ,

Thanks for the update. You just missed that http: in the original README.md file. Could you fix it too?

Thank you

[cxf2015]

Hi @cxf2015 ,

Thanks for the update. You just missed that http: in the original README.md file. Could you fix it too?

Thank you

done,thanks.