Run-time Display Rotation

[merryq]

Run-time screen rotation is now part of the Moddable SDK on the popular ILI9341 display controller. Easily rotate UIs to device orientation with the Piu UI framework. Automatic accelerometer-based rotation is provided on the #M5Stack Fire. Learn more: http://blog.moddable.com/blog/rotate

Video：https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201904/Auto-rotating-screen.mp4
Twitch：https://twitter.com/moddabletech/status/1115705584349667328