platformio.ini: Support ANAVI Miracle Controller
platformio.ini: Support ANAVI Miracle Controller

Add support for ANAVI Miracle Controller open source hardware
development board with ESP8266. For the moment use a single LED
strip connected to LED1.

Signed-off-by: Leon Anavi <be92910ae7bb6f58bb9b7c6f845bc30640119592@anavi.org>

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