v0.1.0: initial release

SQLPlannerTest is a yaml-based SQL planner test framework. This is the first release of this framework.

Current users:

• https://github.com/cmu-db/optd optd is CMU-DB's Cascades optimizer framework. optd uses sqlplannertest-rs to do regression tests on the query plans.
• https://github.com/risinglightdb/risinglight RisingLight is an educational database system. RisingLight uses sqlplannertest-rs to ensure query plans don't accidentally get changed across code changes.

The release can be found on https://crates.io/crates/sqlplannertest, and to add the crate to your project,

cargo add sqlplannertest