use cnn_to_mlp to allow training of racecar using (extremely simplified) ZED camera pixel data using OpenAI baselines.

add a red sphere to make training a bit easier for now.

data/sphere_smooth.mtl

@@ -0,0 +1,10 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl None
+Ns 0
+Ka 0.000000 0.000000 0.000000
+Kd 1. 0.2 0.2
+Ks 0.8 0.8 0.8
+d 1
+illum 2