refactor project structure (start of redoing atomic branch without atomics)

src/widget/mod.rs

@@ -0,0 +1,17 @@
+mod image;
+mod mask;
+mod position;
+mod ptr;
+mod rect;
+mod sense;
+mod text;
+mod trait_fns;
+
+pub use image::*;
+pub use mask::*;
+pub use position::*;
+pub use ptr::*;
+pub use rect::*;
+pub use sense::*;
+pub use text::*;
+pub use trait_fns::*;