Rust

Add license info #10

Job	Run time
cargo test (macos)	2m 5s
Check cargo fmt	37s
cargo check	1m 37s
build with wasm-pack	1m 42s
cargo test (macos-aarch64)	2m 15s
Verify MSRV (Min Supported Rust Version)	4m 55s
Verify Vendored Code	49s
cargo test (win64)	4m 24s
clippy	0s
check Cargo.toml formatting	0s
check configs.md is up-to-date	0s
cargo test hash collisions (amd64)	0s
cargo doc	0s
cargo test (amd64)	0s
cargo test datafusion-cli (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
	18m 24s

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