cuber 0.4.0

Dart implementation of Herbert Kociemba's two-phase algorithm for solving Rubik's Cube.

0.4.0

• Dart SDK >= 2.17.

0.3.0

• Null safety support.

0.2.0

• Implement auto-reorientation when using Cube.from and Cube.of.
• Support to generate SVG image of the cube.
• Add more predefined patterns.

0.1.1

• Drop dart:isolate dependency to support Flutter Web.
• Minor bug fix.

0.1.0

• Initial release.