Fix : Remove markdownlint exclusion for collections/*.collection.md #1341

[PratikWayase]

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Pull Request

Description

Removed the exclusion for collections/*.collection.md from markdownlint configuration and fixed all related lint violations across collection files.

Changes include:

• Added top-level headings to all collection files (MD041)
• Removed multiple consecutive blank lines (MD012)
• Replaced em dashes with compliant alternatives
• Standardized formatting and ensured newline consistency
• Updated Validate-MarkdownFrontmatter.ps1 to align with updated linting rules

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Related Issue(s)

Closes #1341

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Type of Change

Select all that apply:

Code & Documentation:

• Bug fix (non-breaking change fixing an issue)
• New feature (non-breaking change adding functionality)
• Breaking change (fix or feature causing existing functionality to change)
• Documentation update

Infrastructure & Configuration:

• GitHub Actions workflow
• Linting configuration (markdown, PowerShell, etc.)
• Security configuration
• DevContainer configuration
• Dependency update

AI Artifacts:

• Reviewed contribution with prompt-builder agent and addressed all feedback
• Copilot instructions (.github/instructions/*.instructions.md)
• Copilot prompt (.github/prompts/*.prompt.md)
• Copilot agent (.github/agents/*.agent.md)
• Copilot skill (.github/skills/*/SKILL.md)

Other:

• Script/automation (.ps1, .sh, .py)
• Other (please describe):

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Testing

• Ran: npx markdownlint-cli2 "collections/*.collection.md" → 0 errors
• Ran: npm run lint:md → 0 errors
• Verified no regressions in markdown linting across repository

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Checklist

Required Checks

• Documentation is updated (if applicable)
• Files follow existing naming conventions
• Changes are backwards compatible (if applicable)
• Tests added for new functionality (not applicable)

AI Artifact Contributions

• Used /prompt-analyze to review contribution
• Addressed all feedback from prompt-builder review
• Verified contribution follows common standards and type-specific requirements

Required Automated Checks

• Markdown linting: npm run lint:md
• Spell checking: npm run spell-check
• Frontmatter validation: npm run lint:frontmatter
• Skill structure validation: npm run validate:skills
• Link validation: npm run lint:md-links
• PowerShell analysis: npm run lint:ps
• Plugin freshness: npm run plugin:generate
• Docusaurus tests: npm run docs:test

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Security Considerations

• This PR does not contain any sensitive or NDA information
• Any new dependencies have been reviewed for security issues (none added)
• Security-related scripts follow the principle of least privilege

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[katriendg]

Thanks for your contribution @PratikWayase - I believe it will be good to hold off the changes on the collection MD files until PR #1316 is merged as it touches the same files, and you may have some conflicts. FYI @WilliamBerryiii