v0.3.3

Reduced the size of the xiangqi piece SVG files.

xiangqiboard.js Change Log

[0.3.0] - 2020-04-14

• Adapted to ES6

[0.2.0] - 2019-04-14

• Removed unnecessary square color
• xiangqi.js integration examples

[0.1.0] - 2018-08-22

• Initial release