This pull request updates documentation to improve clarity, consistency, and accuracy around Copilot features, MCP servers, and workshop setup. The most important changes include refining instructions for setting up the lab, updating references to MCP server registries, and clarifying how Copilot custom instructions work.

Workshop setup and prerequisites:

• Improved instructions for setting up the lab repository and codespace by updating links to use reference-style markdown and removing redundant information, making the setup process clearer for participants. [1] [2] [3]
• Enhanced the README.md to clearly indicate where to begin the workshop, improving onboarding for new users.

MCP server documentation:

• Updated references from Anthropic MCP servers to GitHub's MCP registry throughout the documentation, ensuring users are directed to the most current and relevant resources. [1] [2] [3]

Copilot custom instructions:

• Clarified the distinction between repository-wide and path-specific Copilot instructions, and updated terminology to improve understanding of how these files guide Copilot's behavior. Added notes about preview features and Copilot coding agent usage. [1] [2] [3]

General documentation improvements:

• Added explanations and improved guidance about providing detailed instructions to Copilot, emphasizing the benefits of explicit guidance for better code generation.
• Fixed minor formatting and link issues in resource sections for consistency.