feat: documentation updated

[naman9271]

description: "Submitting a fix for an issue in the GDB-UI repository."

Issue Reference

• Fixes [Docs] Improve Documentation for GDB-UI #41

Summary of Changes

• Improved documentation formatting and clarity.
• Added missing sections and structured content professionally.
• Ensured all code snippets remain unchanged.

How to Test

1. Review the updated documentation.
2. Verify that all instructions are clear and easy to follow.
3. Ensure that all required setup steps are correctly documented.

Screenshots (if applicable)

Provide any relevant screenshots if changes impact the UI.

Checklist

• The documentation follows the project’s contribution guidelines.
• The changes improve readability and structure.
• No critical information has been removed.
• The PR includes all necessary updates for new contributors.

Additional Context

Include any other details that reviewers should know about.

Note: Ensure that the PR adheres to the project's contribution standards and passes review checks.

[Shubh942]

@naman9271 Please resolve the comments so the PR can be merged.