Cleaned up installation doc

[gemenerik]

No description provided.

[Copilot]

Pull Request Overview

This PR restructures and improves the installation documentation for the Crazyflie library Python project. The changes focus on better organization, clearer instructions, and improved readability.

• Reorganized content into logical sections with clearer headings
• Added platform-specific prerequisites section with detailed setup instructions
• Improved formatting and readability of code blocks and instructions

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[enyanil]

Great updates, I really like the new order of things! Left some small comments with suggestions.

[gemenerik]

@ataffanel install.md still claims: "NOTE: Running with Python 3.13 on macOS is not officially supported". But I suppose that is no longer true?

[gemenerik]

@ataffanel install.md still claims: "NOTE: Running with Python 3.13 on macOS is not officially supported". But I suppose that is no longer true?

Python 3.13 works on MacOS too, now

[enyanil]

Looks great!