Run commands for examples

Author: einarf

examples/README.md

@@ -1,6 +1,8 @@
 Examples
 ========
 
+All examples must run from the root of the repository where ``manage.py`` is located.
+
 Cubes
 -----
 
@@ -10,6 +12,10 @@ Simple example showing three cubes
 * Lighting
 * Textured
 
+```bash
+python manage.py runeffect examples.cubes
+```
+
 ![screenshot](https://raw.githubusercontent.com/Contraz/demosys-py/master/examples/images/cubes.png)
 
 Texture source : http://free-texture-site.blogspot.com/2010/10/free-game-crate-texture.html
@@ -19,5 +25,10 @@ Feedback
 
 Basic example of using transform feedback. Thousands of particles are being
 affected by newton's law with a pulsing gravity field in the middle of the scene.
+Particles are drawn as points were a geometry shader emits billboarded quads.
+
+```bash
+python manage.py runeffect examples.feedback
+```
 
 ![screenshot](https://github.com/Contraz/demosys-py/blob/master/examples/images/feedback.png)