feat: add world #358

Job	Run time
docs	22s
feature-checks	20s
clippy	19s
fmt	13s
miri --no-default-features	37s
miri	43s
test stable --no-default-features	16s
miri --all-features	1m 10s
wasm	15s
test stable	14s
test stable --all-features	30s
test beta --no-default-features	16s
test beta	20s
test beta --all-features	33s
test nightly --no-default-features	15s
test nightly	15s
test nightly --all-features	28s
test 1.79 --no-default-features	18s
test 1.79	17s
	7m 41s

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