Add the OpenVINO.js framework

[lionkunonly]

The OpenVINO.js framework exists in the example for image classification, semantic_segmentation, speech_commands, and speech_recognition. It works when the Electron Application with integrated node.js.

[lionkunonly]

@BruceDai @ibelem Here is the result of the comparison between the WebNN on the Chrome and OpenVINO.js on Electron

Environment: Environment: Electron v11.01 Chrome: 86.0.4209.0 OpenVINO 2020.3.194 Windows 10 TGL i7-1165G7

• Image Classification Example

Model	WebNN Perf(FAST_SINGLE_ANSWER)(ms)	OpenVINO.js Perf(ms)
SqueezeNet	3.14	3.68
MobileNet v1	4.58	4.62
MobileNet v2	3.89	4.10
ResNet50 v1	19.6	20.7
DenseNet 121	15.58	15.43
Inception v2	10.68	12.87
Inception v4	57.54	57.51

• Semantic Segmentation Example

Model	WebNN Perf(FAST_SINGLE_ANSWER)(ms)	OpenVINO.js Perf(ms)
Deeplab_224_Atrous	12.58	13
Deeplab_224_Quant	7.27	7.55
Deeplab_257_Atrous	15.13	16.7
Deeplab_257_Quant	8.07	8.37
Deeplab_321_Atrous	22.47	23.82
Deeplab_321_Quant	10.84	11.93
Deeplab_513_Atrous	59.99	61.27
Deeplab_513_Quant	25.72	28.38

• Speech Commands Example

Model	WebNN Perf(FAST_SINGLE_ANSWER)(ms)	OpenVINO.js Perf(ms)
KWS DNN (Yes Example)	0.43	0.28

• Speech Recognition Example

Model	WebNN Perf(FAST_SINGLE_ANSWER)(ms)	OpenVINO.js Perf(ms)
wsj_dnn5b	2.48	2.37