Consolidate Learning Hub into a single folder, removing symlinks

[Copilot]

Pull Request Checklist

• I have read and followed the CONTRIBUTING.md guidelines.
• I have read and followed the Guidance for submissions involving paid services.
• My contribution adds a new instruction, prompt, agent, skill, or workflow 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, agent, skill, or workflow with GitHub Copilot.
• I have run npm start and verified that README.md is up to date.

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Description

website/src/content/docs/learning-hub/ previously held symlinks pointing to ../../learning-hub/*.md, duplicating the folder structure unnecessarily. This PR collapses both into a single canonical location (docs/learning-hub/) which is where Starlight's content collection already resolves routes from.

Changes:

• Replaced all 13 symlinks in website/src/content/docs/learning-hub/ with the real file content
• Deleted website/src/content/learning-hub/ entirely
• No config, routing, or sidebar changes required — Starlight was already reading from docs/learning-hub/

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Type of Contribution

• New instruction file.
• New prompt file.
• New agent file.
• New plugin.
• New skill file.
• New agentic workflow.
• Update to existing instruction, prompt, agent, plugin, skill, or workflow.
• Other (please specify):

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Additional Notes

Build validated with npm run website:build — no regressions.

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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 consolidates Learning Hub content into the Starlight docs collection by removing the separate website/src/content/learning-hub/ folder and replacing previously-checked-in symlinks in website/src/content/docs/learning-hub/ with the full Markdown content.

Changes:

• Removed Learning Hub article files from website/src/content/learning-hub/ (previous mirror source).
• Replaced symlink entries in website/src/content/docs/learning-hub/ with real article content.
• Kept routing/sidebars unchanged by preserving the existing docs paths and filenames.

Reviewed changes

Copilot reviewed 26 out of 39 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
website/src/content/learning-hub/what-are-agents-skills-instructions.md	Removed old mirrored article file.
website/src/content/learning-hub/using-copilot-coding-agent.md	Removed old mirrored article file.
website/src/content/learning-hub/understanding-mcp-servers.md	Removed old mirrored article file.
website/src/content/learning-hub/understanding-copilot-context.md	Removed old mirrored article file.
website/src/content/learning-hub/installing-and-using-plugins.md	Removed old mirrored article file.
website/src/content/learning-hub/github-copilot-terminology-glossary.md	Removed old mirrored article file.
website/src/content/learning-hub/defining-custom-instructions.md	Removed old mirrored article file.
website/src/content/learning-hub/creating-effective-skills.md	Removed old mirrored article file.
website/src/content/learning-hub/copilot-configuration-basics.md	Removed old mirrored article file.
website/src/content/learning-hub/building-custom-agents.md	Removed old mirrored article file.
website/src/content/learning-hub/before-after-customization-examples.md	Removed old mirrored article file.
website/src/content/learning-hub/automating-with-hooks.md	Removed old mirrored article file.
website/src/content/learning-hub/agentic-workflows.md	Removed old mirrored article file.
website/src/content/docs/learning-hub/what-are-agents-skills-instructions.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/using-copilot-coding-agent.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/understanding-mcp-servers.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/understanding-copilot-context.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/installing-and-using-plugins.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/github-copilot-terminology-glossary.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/defining-custom-instructions.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/creating-effective-skills.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/copilot-configuration-basics.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/building-custom-agents.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/before-after-customization-examples.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/automating-with-hooks.md	Replaced symlink with full article content in docs collection.
website/src/content/docs/learning-hub/agentic-workflows.md	Replaced symlink with full article content in docs collection.

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