A Rust library for working with bgm_property.bin
files from Smash Ultimate.
```rust use bgm_property::BgmPropertyFile;
let mut file = BgmPropertyFile::open("bgm_property.bin")?;
for entry in file.entries() { println!("nameid: {:#X}", entry.nameid); }
for entry in file.entriesmut() { entry.loopstart_sample = 0; }
file.save("bgm_property.bin")?; ```