docs(contributing): using vscode on windows (#29257)

Issue number: N/A

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## What is the current behavior?
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Developers on a Windows environment using VS Code will experience an
issue when using prettier, where files will be tracked as modified even
though they have no actual diffs.

This is due to differences in how Unix based operating systems and
Windows treat carriage returns.

## What is the new behavior?
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this PR. -->

- Updates the contributing guide to educate developers using VS Code on
how to configure their local environment to not track additional diffs
when formatting the codebase.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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## Other information

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This is the same documentation that exists on the ionic-docs repository
for the same reason. I've applied co-authored-by credit to Netkow for
his wonderful contribution to that documentation.

Co-authored-by: Matt Netkow <matt.netkow@gmail.com>