Load MagicaVoxel Vox file for bevy engine.
Example
```rust
use bevy::prelude::;
use bevy_vox::;
fn main() {
App::build()
.adddefaultplugins()
.addplugin(VoxPlugin)
.addstartup_system(setup.system())
.run();
}
fn setup(mut commands: Commands, assetserver: Res) {
// add entities to the world
commands
.spawnscene(assetserver.load("2x2x2.vox"))
// light
.spawn(LightComponents {
transform: Transform::fromtranslation(Vec3::new(4.0, 5.0, 4.0)),
..Default::default()
})
// camera
.spawn(Camera3dComponents {
transform: Transform::fromtranslation(Vec3::new(6.0, -6.0, 6.0))
.lookingat(Vec3::default(), Vec3::unit_y()),
..Default::default()
});
}
```