[DO NOT MERGE] Code example for testing ORT-Web WebNN EP #608
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This is a very rough example to enable WebNN in transformer.js. I just add some hard codes to make the "Image classification w/ google/vite-base-patch16-224" fp32 model work with ORT Web WebNN EP.
WebNN EP was released in onnxruntime-web dev channel started from 1.18.0-dev.20240126, so this PR depends on Guenther's #596 to make transformers.js work with latest ORT Web.
Please note WebNN DirectML backend is only available on Win 11 with latest Chrome Canary or Edge Canary behind "Enables WebNN API" flag.