Improve and reformat README.md for clarity, accessibility, and user…

[marilene38]

… guidance

This update enhances the README.md file to provide a clearer and more helpful onboarding experience for users of GitHub Copilot for X code. Key improvements include:

• Fixed minor typos and ensured consistent branding (e.g., "GitHub Copilot" spelling).
• Added a detailed Table of Contents for easier navigation.
• Improved section organization and used proper Markdown formatting for headings, code blocks, images, and tables.
• Enhanced accessibility with more descriptive image alt texts.
• Added a Quick Start section for experienced users.
• Expanded troubleshooting guidance and summarized keyboard shortcuts in a dedicated table.
• Clarified installation and setup steps using continuous numbering and concise instructions.
• Added notes and tips for important steps, such as permissions and Xcode settings.
• Provided links for support, privacy policy, and acknowledgements.

These updates make the README more accessible, visually appealing, and informative for both new and existing users.

At the moment we are not accepting contributions to the repository.

[github-actions]

At the moment we are not accepting contributions to the repository.

Feedback for GitHub Copilot for Xcode can be given in the Copilot community discussions.

[marilene38]

This pull request significantly reorganizes and enhances the README.md file for the GitHub Copilot for Xcode project. The changes improve readability, provide a clearer structure, and add detailed instructions for installation, setup, and usage. The most important updates include the addition of a Table of Contents, expanded sections for features and setup, and troubleshooting guidance.

Documentation Improvements

• Added Table of Contents: Introduced a Table of Contents at the top of the README for easier navigation.
• Expanded Feature Descriptions: Enhanced the descriptions of the Chat and Code Completion features with more detail and supporting visuals.
• Detailed Setup Instructions: Reorganized and expanded the setup instructions into a step-by-step "Quick Start" section, covering installation, permissions, and enabling the extension in Xcode.
• Troubleshooting Section: Added a new section to address common issues, such as missing menu items or permission problems, with actionable steps.

Additional Enhancements

• Keyboard Shortcuts Table: Introduced a table summarizing keyboard shortcuts for key actions, with guidance on customizing them in Xcode preferences.
• Consistency and Formatting: Improved formatting throughout the document, including the use of bullet

[Copilot]

Pull Request Overview

This PR enhances the README.md to provide clearer onboarding, improved accessibility, and a more organized layout.

• Standardizes branding and fixes minor typos.
• Introduces a Table of Contents, reorganizes sections, and adds a Quick Start guide.
• Improves Markdown formatting, adds descriptive alt texts, and expands troubleshooting.

Comments suppressed due to low confidence (1)

README.md:26

• [nitpick] Consider renaming this header to “### Copilot Chat” to maintain consistent product naming throughout the document.

### Chat

[Copilot]

[nitpick] The document currently has both a “Quick Start” and a “Getting Started” section covering setup steps. Consider consolidating or clearly differentiating these sections to avoid redundancy and user confusion.