Update Prettier: Don't enforce line limit for markdown files

[noahtalerman]

Context: #47376 (comment)

Summary by CodeRabbit

• Chores
  • Updated Markdown formatting configuration to preserve line wrapping behavior.

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Reviewing files that changed from the base of the PR and between 37afd7d and e6bed65.

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• .prettierrc.json

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• .prettierrc.json

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Walkthrough

The .prettierrc.json file is updated from an empty configuration object ({}) to include a Prettier overrides block. The override targets all Markdown files (*.md) and sets options.proseWrap to "preserve", which instructs Prettier to retain existing line breaks in Markdown files rather than reflowing prose.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description is minimal and only provides a context link, missing key template sections like related issue, checklist items, testing details, and change file documentation.	Complete the pull request description using the provided template. Include related issue reference, checklist confirmations, and any relevant testing or documentation updates.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: updating Prettier configuration to not enforce line limits for markdown files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Actionable comments posted: 1

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Verify each finding against current code. Fix only still-valid issues, skip the
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Inline comments:
In @.prettierrc.json:
- Line 4: The glob pattern in the "files" field currently uses `*.md` which only
matches Markdown files in the repository root directory. Update this pattern to
`**/*.md` to ensure it covers all Markdown files in nested subdirectories
throughout the repository (such as articles/, docs/, handbook/, server/, tools/,
etc.). This change will ensure the Prettier override applies to all Markdown
files, not just those at the root level.

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📒 Files selected for processing (1)

• .prettierrc.json