feat: Taming Copilot

[guiopen]

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 node update-readme.js and verified that README.md is up to date.

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Description

This pull request adds new guidelines and instructions to improve GitHub Copilot’s behavior, making it more focused, less verbose, and preventing common issues such as unsolicited code refactoring and over-engineering.

The new instructions/taming-copilot.instructions.md outlines best practices for Copilot interactions, minimalist code generation, and precise code modifications. Key principles include favoring standard libraries, avoiding unsolicited changes, and prioritizing simplicity and maintainability.

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Type of Contribution

• New instruction file.
• New prompt file.
• New chat mode file.
• Other (please specify):

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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 introduces a new guide for “Taming Copilot” to help users control Copilot’s output style and adds an entry for it in the README.

• Adds instructions/taming-copilot.instructions.md with clear front matter and structured guidance.
• Updates README.md to include the new “Taming Copilot” instruction set.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
instructions/taming-copilot.instructions.md	New instruction file with front matter and sections on interaction, code generation, and code modification.
README.md	Added a README entry linking to the new “Taming Copilot” instructions.