v0.2.0

What's Changed

• Large change to the API to make it a bit easier to use, now CommandExt::restrict and then Command::spawn
• Add memory limits through prlimit (max_memory)
• Add file size limits through prlimit (max_file_size)
• Add utility functions on CommandExt: restrict_if, max_memory_if, and max_file_size_if that accept Options

Full Changelog: https://github.com/basalt-rs/leucite/commits/v0.2.0