Added the YAML file with the positions of the light pannels in the lab (for testing).

config/lab_position.yaml

+color1_id: green
+color1_x: 3.87
+color1_y: 2.0
+color1_z: 2.87
+color2_id: red
+color2_x: -3.87
+color2_y: 2.0
+color2_z: 2.87
+color3_id: yellow
+color3_x: 0.0
+color3_y: 0.0
+color3_z: 2.87
+color4_id: blue
+color4_x: 0.0
+color4_y: 5.06
+color4_z: 2.87
+