Added #

• Added the repository field to pubspec.yaml to link directly to the GitHub source code.
• Integrated a direct GitHub link and documentation link into the README.md file.

Changed #

• Significantly extended the package description in pubspec.yaml to better explain the package's purpose.

• Added an example/ folder containing a working demonstration.

• Initial Release!
• Added AtmosphericParticles widget to easily add a particle effect background to any widget.
• Added ParticleCanvas for managing particle state and animation loop.
• Added ParticlePainter for custom painting particles onto the canvas.
• Added customization for:
  • particleColor
  • particleCount
  • particleRadius
  • minHorizontalVelocity / maxHorizontalVelocity
  • minVerticalVelocity / maxVerticalVelocity
• Added enableVerticalFade option for a vertical "fade-in" opacity gradient.