Fixes #11459 - Add new markdownlint rule settings

[sdwheeler]

PR Summary

Add new markdownlint rule settings

• Fixes AB#323679
• Fixes Add MD058 rule handling - Blanks around tables #11459

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the contributors guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

Learn Build status updates of commit ed79478:

✅ Validation status: passed

File	Status	Preview URL	Details
.markdownlint.yaml	✅Succeeded

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