easel 0.0.3

The CustomPaint in a declarative way. We need more precise way to draw something in the canvas.

0.0.1

• draw simple circle, line, pixel, triangle.

0.0.2

• add segment
• fix broken image in readme.md
• support_platforms = all

0.0.3

• Add more detail to the description field of pubspec.yaml.
• add trigon