Add complete skill for Slang shader language

[The3dVehicleguy]

• Included the full Official Slang LLM documentation.
• Included sections on language features, interfaces, generics, automatic differentiation, modules, capabilities system, compiling code, reflection API, compilation targets, and FAQs.
• Allows agents to write comprehensive slang code for graphics and compute shaders.

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.
• I am targeting the staged branch for this pull request.

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Description

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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

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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.

[github-actions]

🔍 Skill Validator Results

✅ All checks passed

Scope	Checked
Skills	1
Agents	1
Total	2
Severity	Count
---	---:
❌ Errors	0
⚠️ Warnings	0
ℹ️ Advisories	0

Summary

Level	Finding
ℹ️	Found 1 skill(s)
ℹ️	[slang-shader-engineer] 📊 slang-shader-engineer: 1,587 BPE tokens [chars/4: 1,804] (detailed ✓), 8 sections, 1 code blocks
ℹ️	✅ All checks passed (1 skill(s))

Full validator output

```text Found 1 skill(s) [slang-shader-engineer] 📊 slang-shader-engineer: 1,587 BPE tokens [chars/4: 1,804] (detailed ✓), 8 sections, 1 code blocks ✅ All checks passed (1 skill(s)) ```

[Copilot]

Pull request overview

This PR adds a new Agent Skill, slang-shader-engineer, intended to help Copilot generate and review Slang shader code by bundling Slang-focused guidance plus reference documentation under skills/slang-shader-engineer/.

Changes:

• Adds a new Slang shader engineering skill (SKILL.md) with guidance on responsibilities, rules, working style, and validation.
• Adds three bundled reference documents covering rules/patterns, a language reference, and a “complete” Slang documentation reference.
• Registers the new skill in docs/README.skills.md.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
skills/slang-shader-engineer/SKILL.md	Defines the skill’s trigger description and core instructions for Slang shader work.
skills/slang-shader-engineer/references/language-reference.md	Adds a concise Slang language reference for common syntax/feature lookups.
skills/slang-shader-engineer/references/rules-and-patterns.md	Adds practical DOs/DON’Ts, checklists, and recommended output formats.
skills/slang-shader-engineer/references/slang-documentation-full.md	Adds a large reference doc intended to mirror official Slang documentation and examples.
docs/README.skills.md	Adds the new skill to the skills index table.

[aaronpowell]

Well, that's a language I've quite literally never heard of 🤣

[The3dVehicleguy]

Well, that's a language I've quite literally never heard of 🤣

Hahah, I started learning it when I began writing Vulkan graphics and I can say I like it more than HLSL, or GLSL.
Thanks for the approval!

[The3dVehicleguy]

@all-contributors add @The3dVehicleguy for code, doc, example

[allcontributors]

@The3dVehicleguy

I couldn't determine any contributions to add, did you specify any contributions?
Please make sure to use valid contribution names.

[The3dVehicleguy]

@all-contributors add @The3dVehicleguy for code, doc

[allcontributors]

@The3dVehicleguy

I've put up a pull request to add @The3dVehicleguy! 🎉