Rust

Add recursive lib #33

Job	Run time
Check cargo fmt	38s
cargo check	1m 58s
cargo test (macos)	5m 22s
build with wasm-pack	2m 36s
cargo test (macos-aarch64)	7m 51s
Verify MSRV (Min Supported Rust Version)	8m 45s
Verify Vendored Code	56s
cargo test (win64)	11m 48s
check configs.md and ***_functions.md is up-to-date	0s
cargo test hash collisions (amd64)	0s
check Cargo.toml formatting	0s
clippy	0s
cargo doc	0s
cargo test datafusion-cli (amd64)	0s
cargo test (amd64)	0s
cargo test doc (amd64)	0s
cargo examples (amd64)	0s
cargo test pyarrow (amd64)	0s
Run sqllogictest with Postgres runner	0s
verify benchmark results (amd64)	0s
	39m 54s

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