quadtree 0.1.0

A simple quadtree implementation in Dart.

[0.1.0] - 2024-09-07

Added

• Initial release of the Quadtree package.
• Core Quadtree implementation with insert and query methods.
• Point class for representing 2D points with optional associated data.
• Rectangle class for defining boundaries and ranges.
• Comprehensive test suite covering main functionalities.