Make the lidar streamer ready to work with main controller

tracking/devices/factory.py

@@ -2,8 +2,11 @@ from tracking.devices.mock_lidar import MockLidar
 from rplidar import RPLidar
 import tracking.lidar_loader as loader
 
+connection = "TEST"
+# connection = '/dev/ttyUSB0'
 
-def get_lidar(connection: str):
+def get_lidar():
+    # Need a way to configure this, maybe with environment variables
     if connection == 'TEST':
         return MockLidar(loader.load_scans_bytes_file("tracking/out.pickle"))
     else: