doc: document process.moduleLoadList #2071

Job	Run time
Build slim tarball	1m 30s
x86_64-darwin: with shared libraries	3h 44m 10s
aarch64-linux: with shared libraries	2h 19m 20s
aarch64-darwin: with shared libraries	2h 50m 8s
x86_64-linux: with shared libraries	2h 31m 25s
	11h 26m 33s

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