feat: introduce io engine #333

Job	Run time
run with address saniziter	6m 5s
cargo manifest check	7s
check build with madsim	1m 29s
run with single worker thread and deadlock detection	4m 42s
misc check	5s
rust doc test (ubuntu-latest)	1m 47s
rust ffmt check (ubuntu-latest)	14s
rust machete check	51s
rust doc test (macos-latest)	1m 31s
rust ffmt check (macos-latest)	18s
rust doc test (windows-latest)	2m 47s
rust ffmt check (windows-latest)	28s
rust test with codecov (ubuntu-latest, stable)	9m 1s
rust doc test (ubuntu-24.04-arm)	2m 12s
rust ffmt check (ubuntu-24.04-arm)	17s
rust udeps test (ubuntu-latest)	1m 19s
rust test with codecov (ubuntu-latest, 1.81.0)	7m 38s
rust udeps test (macos-latest)	1m 26s
rust udeps test (windows-latest)	2m 29s
rust test with codecov (macos-latest, stable)	4m 22s
rust test with codecov (macos-latest, 1.81.0)	3m 15s
rust udeps test (ubuntu-24.04-arm)	1m 31s
rust test with codecov (windows-latest, stable)	8m 31s
rust test with codecov (windows-latest, 1.81.0)	6m 58s
rust test with codecov (ubuntu-24.04-arm, stable)	9m 31s
rust test with codecov (ubuntu-24.04-arm, 1.81.0)	6m 2s
	1h 24m 56s

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