Rust

feat: Implement in-memory shuffle storage for Ballista #106

Job	Run time
Check Cargo.toml formatting (amd64, stable)	1m 12s
verify benchmark results (amd64)	13m 32s
macos test	11m 20s
windows test	12m 24s
linux build test	4m 1s
check linux workspace	2m 52s
test linux crates	6m 42s
test linux balista	6m 25s
Lint	34s
Clippy (amd64, stable)	4m 19s
cargo doc	3m 58s
	1h 7m 19s

Provide feedback