lib,src,test,doc: add node:ffi module #5347

Job	Run time
Build slim tarball	2m 7s
x86_64-linux: with shared libraries	1h 51m 27s
x86_64-darwin: with shared libraries	2h 24m 6s
aarch64-darwin: with shared libraries	1h 58m 17s
aarch64-linux: with shared libraries	1h 21m 3s
	7h 37m 0s

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