consume events in RGFW loop. (Next: react to input events.)

todo.md

@@ -1,7 +1,6 @@
 # To-do list
 - Bind functions from RGFW (alternative back-end/window library) and have an option to use it
-  - Add key callbacks, resize callbacks, etc.
-  - Consume msgs stores in app
+  - Add callbacks so we can react to events. (Start by adding key callbacks.)
 - Bind gamepad functions from GLFW
 - Modify deletion functions to use `PersistentVector.delete` 
 - Implement 'yj' motion and add tests for it