Library for parsing MBN format.
Basically, it's a Rust rewrite of the relevant parts of [libopenpst](https://github.com/openpst/libopenpst).
Check out [the documentation page](https://docs.rs/mbn) for details.
Here is a [CLI tool](https://github.com/NichtsHsu/mbn-rs) available, and, it is also the best example of this library.