Update readme

[voltaney]

This pull request includes significant updates to the README.md file to enhance its presentation and provide more detailed information about the Touch Sender application. The changes include a new visual layout, added features, installation instructions, example usage, limitations, and related projects.

Key changes:

• Visual Layout and Introduction:

  • Added a centered section with an icon, title, and description of the application.
  • Included a table with screenshots of the settings and touchpad screens.

• Features Section:

  • Listed key features such as single-touch status transmission via UDP, high transmission frequency, and multithreaded design.

• Installation Instructions:

  • Provided download links for the Android platform via GitHub Releases and Deploy Gate.
  • Mentioned the unavailability of the iOS version.

• Example Usage:

  • Added a demonstration video link showing the application in use with Spin Rhythm XD.

• Limitations and Related Projects:

  • Described current limitations such as Flutter overhead, handling of touch data in logical pixels, and lack of multi-touch support.
  • Listed related projects like TouchSenderInterpreter and `TouchSender

[Copilot]

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README.md:1

• [nitpick] Using raw HTML for centering content might not render consistently across all Markdown viewers. Consider using native Markdown syntax or verifying HTML support on your target platforms.

<div align="center">