Comp folder

1. To create components, resources, states, and traits the following rules must be applied, or the engine won't detect them.
2. All modules must be Directory modules. Modules files or nested modules within a file won't be detected by the engine. Modules must be public.
3. Use component, state, and resource to mark structs and enums to be used by the engine.
4. Use the trait_bound attribute macro to mark traits.
5. Use the trait_for macro to assign a component to a trait.
6. Implement the SharedBehavior trait to a component so they can be used in a hierarchy.

Example:

#[derive(Resource, Default)]
pub struct Renderer2dData {
    pub(crate) data: Option<(Receiver<UnsafeRenderPass>, Sender<()>)>,
}

#[derive(Component)]
pub struct Sprite2D {
    offset: [f32; 2],
    texture: Asset<TextureAsset>,
    bind_group_layout_asset: Asset<BindGroupLayoutAsset>,
    bind_group: BindGroup,
    vertex_buffer: Buffer,
}

#[trait_bound]
pub trait Mesh2D {
    fn draw(&self, render_pass: &mut RenderPass);
    fn update(&self, render_pass: &mut RenderPass);
    fn name<'a>(&self) -> &'a str;
    fn get_bind_group_layout_desc(&self) -> 	&Asset<BindGroupLayoutAsset>;
}

trait_for!(trait Mesh2D => Sprite2D);