RocksDB CI

update README to document the various crate features that can be enabled #228

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
Rustfmt	12s
Clippy	6m 2s
Security audit	7s
Rustdoc-check	6m 1s
Linux	42m 52s
macOS	1h 0m 32s
Windows	25m 27s
	2h 21m 13s