added comments to the config file

config.py

+# The intrinsic camera matrix of the webcam added onto Tobii glasses
 K1 = [[1146.8119767102853, 0, 995.8472226069734, 0],
       [0, 1150.968615728085, 560.9054428070731, 0],
       [0, 0, 1, 0]]
@@ -6,6 +7,7 @@ K2 = [[1478.0057732719538, 0, 964.3897381426681, 0],
       [0, 1478.2826857743617, 559.6902650031882, 0],
       [0, 0, 1, 0]]
 
+# The rigid body transformation between the tobii coordinate system and the webcam coordinate system
 Rigid_body = [[0.9998443871765447, 0.016930978475685435, 0.004954129531717574, 0.0014797681252487246],
             [-0.017536129544264166, 0.9844701379081924, 0.1746740728546538, 0.017710310592413483],
             [-0.0019197896155425946, -0.1747337675862396, 0.9846138455622852, -0.017384735431967623],