XD support

awesome library, just tested on a sketch file and it magically gave all the info, just wondering if any plan to port it for adobe xd? There is already one in python https://github.com/umar-ahmed/xdtools/blob/master/xdtools/utils/parser.py

Start by reading the linked xdtools/utils/parser.py to understand the referenced Adobe XD parser, then inspect the sketch-constructor entry points for how Sketch files are read and manipulated. Done would mean agreeing on the Adobe XD file scope and adding a working port with coverage for the supported XD data.

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