Rust

add copyright #94

Job	Run time
cargo check	3m 45s
build with wasm-pack	2m 22s
cargo test (macos)	4m 54s
cargo test (macos-aarch64)	4m 42s
cargo test (win64)	37m 1s
Check cargo fmt	39s
Verify MSRV (Min Supported Rust Version)	6m 28s
Verify Vendored Code	49s
cargo test (amd64)	0s
cargo test doc (amd64)	0s
cargo test datafusion-cli (amd64)	0s
cargo examples (amd64)	0s
check Cargo.toml formatting	0s
cargo test hash collisions (amd64)	0s
cargo doc	0s
Run sqllogictest with Postgres runner	0s
cargo test pyarrow (amd64)	0s
verify benchmark results (amd64)	0s
clippy	0s
check configs.md is up-to-date	0s
	1h 0m 40s

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