[WIP] Set up Copilot instructions for the repository

[Copilot]

• Analyze repository structure and codebase patterns
• Create .github/copilot-instructions.md with comprehensive instructions
• Include project-specific conventions and best practices
• Document the technology stack and architecture
• Add testing guidelines and patterns
• Include code style and naming conventions
• Verify the instructions file is properly formatted

Original prompt

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This section details on the original issue you should resolve

<issue_title>✨ Set up Copilot instructions</issue_title>
<issue_description>Configure instructions for this repository as documented in Best practices for Copilot coding agent in your repository.

</issue_description>

Comments on the Issue (you are @copilot in this section)

Fixes #41

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💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.