fix: update README.md to correct Visual Studio Code extension links

[cat2608]

Description

This PR updates the links in the README.md file, correcting them to point to the appropriate Visual Studio Code extension documentation pages. The original links incorrectly pointed to the Visual Studio extension documentation.

Changes

• Updated URLs in the README.md to direct users to the correct Visual Studio Code extension documentation pages.
• Adjusted the link text from "Visual Studio extension" to "Visual Studio Code extension" to correctly reflect the content of the linked pages.

Validation

• All updated URLs have been manually checked to ensure they are valid and direct users to the correct documentation pages.
• The textual changes have been reviewed for clarity and accuracy in referencing the Visual Studio Code extension.

Impact

• These changes improve the accuracy and usefulness of the README.md file, ensuring users are directed to the correct documentation for the Visual Studio Code extension.
• No impact on the extension's functionality or codebase.

This update enhances the user experience by providing the correct resources and guidance for using the Visual Studio Code extension. It's a simple yet important fix to ensure accurate and user-friendly documentation.

Checklist

• Tests added and all succeed
• Linted
• CHANGELOG.md updated
• README.md updated, if user-facing

[acke]

Good job Chris Campbell!