added underdeveloped but working image support (no freeing or samplers)

src/layout/mod.rs

@@ -1,19 +1,21 @@
 mod color;
+mod id;
 mod painter;
 mod region;
 mod sense;
+mod texture;
 mod ui;
 mod vec2;
 mod widget;
-mod id;
 
 pub use color::*;
+pub use id::*;
 pub use painter::*;
 pub use region::*;
 pub use sense::*;
+pub use texture::*;
 pub use ui::*;
 pub use vec2::*;
 pub use widget::*;
-pub use id::*;
 
 pub type UiColor = Color<u8>;