Support buffers and textures

- Initial support for buffers and textures.
- Cube example:
  - Updating the uniform buffer for projection matrix.
  - Loading textures and buffer init.
  - Mouse interaction via SDL2.

Author: lancelet

README.md

@@ -21,3 +21,6 @@ windowing systems.
 
 To get started, please read the [Getting Started](GettingStarted.md)
 instructions.
+
+![cube demo](cube-demo.png)
+

cube-demo.png

@@ -1,5 +1,10 @@
 # Revision history for wgpu-hs
 
+## 0.4.0.0 -- 2021-09-10
+
+- Add `cube `example.
+- Initial support for buffers and textures.
+
 ## 0.3.0.0 -- 2021-08-30
 
 - Add Classy interface - supply parameters from `ReaderT`.