add docstrings compiler tests #5512

Job	Run time
build-rewatch (macos-13, x86_64-apple-darwin)	21s
build-compiler (ubuntu-latest, ocaml-variants.5.2.1+options,ocaml-option-static, true, true, true...	2m 46s
build-rewatch (macos-14, aarch64-apple-darwin)	16s
build-compiler (buildjet-2vcpu-ubuntu-2204-arm, ocaml-variants.5.2.1+options,ocaml-option-static,...	6m 52s
build-rewatch (ubuntu-latest, x86_64-unknown-linux-musl)	6s
build-compiler (macos-13, 5.2.1, true)	6h 0m 14s
build-rewatch (buildjet-2vcpu-ubuntu-2204-arm, aarch64-unknown-linux-musl)	16s
build-compiler (macos-14, 5.2.1, true)	6h 0m 15s
build-rewatch (windows-latest, x86_64-pc-windows-gnu)	24s
build-compiler (windows-latest, 5.2.1, true)	3m 17s
build-compiler (ubuntu-latest, ocaml-variants.5.0.0+options,ocaml-option-static)	2m 2s
build-compiler (ubuntu-latest, ocaml-variants.4.14.2+options,ocaml-option-static)	2m 10s
build-compiler (ubuntu-latest, ocaml-variants.4.13.0+options,ocaml-option-static)	1m 56s
package	0s
installationTest	0s
publish	0s
	12h 20m 55s

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