bevy/pipelined/changes.md

• Remove AppBuilder
• Add SubApps
• Res<Box<dyn RenderResourceContext>> -> Res<RenderResources>
• Removed RenderResourceBindings
• Made shaders and pipelines proper render resources (removes dependency on bevy_asset and is generally a cleaner api)
• Removed RenderResources / RenderResource traits
• Decoupled swap chain from Window in Renderer api
• Removed RenderResourceBindings
• Removed asset tracking from render resources
• Removed cruft from RenderResource api