winit-core: move window

Create `WindowAttributes` for respective platform specific window
attributes in `winit` due to move of `WindowAttributes`.

winit-core/src/cursor.rs

@@ -5,7 +5,8 @@ use std::ops::Deref;
 use std::sync::Arc;
 use std::time::Duration;
 
-use cursor_icon::CursorIcon;
+#[doc(inline)]
+pub use cursor_icon::CursorIcon;
 
 use crate::as_any::{impl_dyn_casting, AsAny};
 

winit-core/src/lib.rs

@@ -7,3 +7,4 @@ pub mod event_loop;
 pub mod icon;
 pub mod keyboard;
 pub mod monitor;
+pub mod window;