Update README.md - test external contribution

[rohitsanj-public]

Summary of Changes

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Any additional details or context that should be provided?

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Pull request checklist

Please check if your PR fulfills the following (if applicable):

Tests

• [ ] Added new
• [ ] Updated existing
• [ ] Deleted existing

Other

• [ ] Does anything in this PR need to be mentioned in the user-facing CHANGELOG or README?
• [ ] Have you validated this change locally by packaging and installing the extension .vsix file?

  gulp clicktest

[rohitsanj]

/sem-approve

[rohitsanj]

/sem-approve

[rohitsanj]

Closing this to re-raise the same changeset from my own account. Feels wrong approving my own PR from a different account lol.