Update VS Code Extension

[rcalixte]

Please confirm this pull request meets the following requirements:

• I followed the contributing guidelines: https://github.com/github/explore/blob/main/CONTRIBUTING.md.
• I am not the sole author or employee of a company who created either the topic I am modifying/adding or the collection entry I am modifying/adding.

Which change are you proposing?

• Suggesting edits to an existing topic or collection

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Editing an existing topic or collection

I'm suggesting these edits to an existing topic or collection:

• Content (and my changes are in index.md)

This appends the other alias for vscode as a related topic.

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[rcalixte]

Looking at the diff locally, I believe the extra changes are due to line endings. There are apparently a handful of topics files that were written on a Windows platform. If desired, I can open a separate pull request with dos2unix run over those files. I count 36 such files currently.