doc: document process.moduleLoadList #2179

Job	Run time
Build slim tarball	1m 33s
x86_64-darwin: with shared libraries	3h 43m 38s
aarch64-darwin: with shared libraries	1h 42m 6s
x86_64-linux: with shared libraries	2h 5m 32s
aarch64-linux: with shared libraries	1h 32m 22s
	9h 5m 11s

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