v1.4.0

Reduced screen mirroring quality to indexed 8bpp and increased fps from ~1 to ~4.
Sends keyboard data with a timer and only when keys are being pressed to reduce usb traffic and increase screen mirroring fps.
Mouse cursor is now rendered onscreen.

Usbdrvce lib from 05/16/21
https://github.com/CE-Programming/toolchain/tree/789d3e2e6783bf1a0d14fc73507882c3c2fb345b