Implement CoreML runtime code for Apple Silicon platforms

[yyovil]

@yyovil Hi bro, would like to PR CoreML related runtime code to this repo? Need your skill!

Originally posted by @kaituoxu in #8

CoreML leverages Apple's NPU and GPU on Apple Silicon Macs (and iOS/iPadOS) giving better performance and power efficiency compared to running through ONNX or PyTorch on those devices.