BeagleBone rev. A3 support

What's Changed

• Add Release Drafter to make releases easier #311 by @makermelissa

New Boards

• add support for BeagleBone rev. A3 #312 by @HarryWeppner

To use in CPython, pip3 install Adafruit-PlatformDetect.

Read the docs for info on how to use it.