bevy 0.8.0

A refreshingly simple data-driven game engine and app framework
# Bevy Credits

## Adapted Code

* hecs
* legion_transform
* wgpu-rs examples
* yaks: ArchetypeSet, borrowed some ideas from their scheduler implementation

## Inspiration

* game engines: amethyst, coffee
* ecs: legion, shipyard, yaks

## Assets

* Generic RPG Pack (CC0 license) by [Bakudas] and [Gabe Fern]
* Environment maps (`.hdr` files) from [HDRIHaven] (CC0 license)
* Alien from [Kenney's Space Kit] (CC0 1.0 Universal)
* Cake from [Kenney's Food Kit] (CC0 1.0 Universal)
* Ground tile from [Kenney's Tower Defense Kit] (CC0 1.0 Universal)
* Game icons from [Kenney's Game Icons] (CC0 1.0 Universal)
* Space ships from [Kenny's Simple Space Kit] (CC0 1.0 Universal)
* glTF animated fox from [glTF Sample Models]
  * Low poly fox [by PixelMannen] (CC0 1.0 Universal)
  * Rigging and animation [by @tomkranis on Sketchfab] ([CC-BY 4.0]
* FiraMono by The Mozilla Foundation and Telefonica S.A (SIL Open Font License, Version 1.1: assets/fonts/FiraMono-LICENSE)