test

Add rustdoc to connect crate #2255

Job	Run time
cargo fmt	8s
cargo +stable clippy (ubuntu-latest)	3m 14s
cargo +1.81 check (ubuntu-latest)	3m 23s
cross +1.81 build armv7-unknown-linux-gnueabihf	2m 31s
cross +stable build armv7-unknown-linux-gnueabihf	1m 57s
cargo +stable check (ubuntu-latest)	5m 6s
cross +1.81 build aarch64-unknown-linux-gnu	2m 45s
cargo +1.81 check (windows-latest)	6m 25s
cross +stable build aarch64-unknown-linux-gnu	3m 19s
cargo +stable check (windows-latest)	5m 45s
cross +1.81 build riscv64gc-unknown-linux-gnu	4m 48s
cargo +beta check (ubuntu-latest)	3m 13s
cross +stable build riscv64gc-unknown-linux-gnu	2m 27s
	45m 1s

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