Add Microsoft Code Reference and Microsoft Docs skills

[TianqiZhang]

…usage instructions

Pull Request Checklist

• I have read and followed the CONTRIBUTING.md guidelines.
• My contribution adds a new instruction, prompt, or chat mode file in the correct directory.
• The file follows the required naming convention.
• The content is clearly structured and follows the example format.
• I have tested my instructions, prompt, or chat mode with GitHub Copilot.
• I have run npm start and verified that README.md is up to date.

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Description

This PR adds Microsoft Code Reference and Microsoft Docs skills to ./skills/ folder.

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Type of Contribution

• New instruction file.
• New prompt file.
• New chat mode file.
• New collection file.
• Update to existing instruction, prompt, chat mode, or collection.
• Other (please specify): new skills

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By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.

[Copilot]

Pull request overview

This PR adds two new agent skills for Microsoft documentation and code reference lookup to enhance GitHub Copilot's ability to query official Microsoft resources. These skills enable integration with Microsoft Learn MCP Server for accessing up-to-date documentation and API references.

• Adds microsoft-docs skill for querying Microsoft documentation across Azure, .NET, Microsoft 365, and other Microsoft technologies
• Adds microsoft-code-reference skill for looking up Microsoft API references, code samples, and SDK verification
• Updates the skills documentation to include the new entries in the skills catalog

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.

File	Description
skills/microsoft-docs/SKILL.md	New skill providing instructions for querying Microsoft documentation with search and fetch tools
skills/microsoft-code-reference/SKILL.md	New skill providing instructions for API lookups, code samples, and error troubleshooting with Microsoft technologies
docs/README.skills.md	Added catalog entries for both new skills with descriptions and links

[Eimasogi]

#sign-off

[codemillmatt]

@Eimasogi & @TianqiZhang - thanks for the patience while we got around to reviewing after the holidays. Can you sync & run npm start on this and push again? It'll update the readmes. Appreciate it.