Zig diffing from the ground up with Myers' algorithm for discovering shortest edit scripts.
Allows diffing of any set of values (even non-slice ones) as long as those values are eql
able by index.
- https://www.nathaniel.ai/myers-diff/
- https://blog.robertelder.org/diff-algorithm/
- https://blog.jcoglan.com/2017/02/15/the-myers-diff-algorithm-part-2/
MIT