ShaderLib2D.md

 implementing the current prototype/version of the node timer / time graph has introduced a new drawing library, which will let the user compile _shader geometry_ into a `canvas` . It takes care of some of the tedious stuff behind the scene. Essentially it has a a few shapes that can be drawn at given coordinates with given colours.
 
-```
+```python
 from sverchok.utils.modules.shader_utils import ShaderLib2D