Added #

• Initial release of wave_animation package
• WaveWidget - Main widget for creating customizable wave animations
• WavePainter - Custom painter supporting multiple wave layers with gradient colors
• WaveMotionPattern enum with 5 motion patterns:
  • classic - Simple horizontal wave motion
  • flowField - Dynamic flow-like motion with varying speeds
  • ribbonDrift - Smooth drifting motion like ribbons
  • flowFieldLoop - Flow field pattern with seamless looping
  • ribbonLoop - Ribbon drift pattern with looping animation
• Customizable wave parameters:
  • height - Widget height control
  • gradientColors1 & gradientColors2 - Dual-layer gradient support
  • lineCount - Number of wave lines (default: 3)
  • amplitude - Wave height control (default: 20.0)
  • waveLength - Distance between wave peaks (default: 200.0)
  • speed - Animation speed multiplier (default: 1.0)
  • visible - Visibility toggle (default: true)
• Full null safety support
• AnimatedBuilder integration with speed and visibility control
• Unit tests for widget instantiation and painter class
• Example app demonstrating various configurations
• Comprehensive documentation and README

Planned #

• Additional wave motion patterns
• Performance optimizations for complex animations
• More customization options for wave behavior