Add some reduction notations (#2017) #835

Job	Run time
docker-master	1h 29m 23s
publish-standalone-dry-run	14s
test-standalone (master, dev, default)	1m 18s
build-js-of-ocaml (master, 4.11.1)	5m 40s
build-wasm-of-ocaml (master, 4.14.1)	17m 33s
generated-files (master)	45s
validate-docker-master	21m 23s
standalone-haskell (master)	47m 47s
test-amd64	2h 15m 2s
deploy-js-wasm-of-ocaml	30s
docker-check-all	1s
	5h 19m 36s

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