feat: remove napi in core crate (#31) #157

Job	Run time
Rust check	1m 12s
Test cargo	1m 24s
stable - x86_64-apple-darwin - node@18	4m 13s
stable - x86_64-pc-windows-msvc - node@18	7m 9s
stable - x86_64-unknown-linux-gnu - node@18	2m 43s
stable - aarch64-apple-darwin - node@18	2m 2s
stable - aarch64-pc-windows-msvc - node@18	5m 38s
Test bindings on Linux-x64-gnu - node@14	20s
Test bindings on Linux-x64-gnu - node@16	24s
Build universal macOS binary	17s
Test bindings on x86_64-pc-windows-msvc - node@14	40s
Test bindings on Linux-x64-gnu - node@18	15s
Test bindings on x86_64-pc-windows-msvc - node@16	48s
Test bindings on x86_64-pc-windows-msvc - node@18	38s
Publish	17s
	28m 0s

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