[FR] Add Plexamp Flatpak Package for Fedora 39 Asahi Remix on Apple Silicon Macs

## Feature Request

### Summary
I am requesting the development of a Flatpak package for Plexamp, specifically optimized for Fedora 39 Asahi Remix running on Apple Silicon Macs.

### Motivation
Plexamp's current lack of a Flatpak package presents a challenge for users on Fedora 39 Asahi Remix with Apple Silicon Macs. A Flatpak package would greatly simplify the installation process and ensure better integration and performance on this specific platform.

### Proposed Solution
Create a Flatpak package for Plexamp that is tailored for optimal performance and compatibility with Fedora 39 Asahi Remix on Apple Silicon Macs. This package should include all necessary dependencies and be optimized for the ARM architecture.

### User Stories
As a user of Fedora 39 Asahi Remix on an Apple Silicon Mac, I want to easily install Plexamp through a Flatpak package, ensuring a smooth and optimized experience on my device.

### Potential Challenges
- Ensuring compatibility and performance optimization for the ARM architecture and Fedora 39 Asahi Remix specifics.
- Regular updates and maintenance of the Flatpak package in line with Plexamp's updates.

### Impact
The availability of a Plexamp Flatpak package for this platform would have significant benefits:
- **Enhanced User Experience**: Streamlined installation and optimized performance for users on Fedora 39 Asahi Remix with Apple Silicon Macs.
- **Increased Adoption**: Catering to a growing segment of users on ARM-based systems, expanding Plexamp's user base.
- **Community Engagement**: Demonstrating responsiveness to the needs of a diverse user community, encouraging feedback and contributions.

Thank you for considering this feature request.

No files, tests, or entry points are named. Start by reviewing the repository contents and its existing packaging configuration, then determine the Flatpak and ARM compatibility requirements; done means a buildable, installable package for the requested Fedora Asahi Remix platform.

Written by the indexing model from the issue text.