Updated book to use storage instead of component (specs-derive)
@@ -49,14 +49,14 @@ more succinctly:
```rust,ignore
#[derive(Component, Debug)]
-#[component(VecStorage)]
+#[storage(VecStorage)]
struct Position {
x: f32,
y: f32
}
#[derive(Component, Debug)]
-#[component(VecStorage)]
+#[storage(VecStorage)]
struct Velocity {
x: f32,
y: f32,
