bevy_puffin 0.4.0

Integration layer between Bevy, puffin and tracing
`bevy_puffin` is dual-licensed under either

* MIT License ([LICENSE-MIT](./LICENSE-MIT) or http://opensource.org/licenses/MIT)
* Apache License, Version 2.0 ([LICENSE-APACHE](./LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)

at your option.