adding laser base and voltran stradus laser module

copylot/hardware/lights/abstract_light.py

@@ -0,0 +1,4 @@
+import abc
+
+class AbstractLight(metaclass=abc.ABCMeta):
+    pass

copylot/hardware/lights/voltran/test/test_voltran.py

@@ -0,0 +1,23 @@
+#%%
+from copylot.hardware.lights.voltran import voltran
+
+def demo_get_laser():
+    laser_list = voltran.get_lasers()
+    print(laser_list)
+
+def demo_voltran():
+    laser_list = voltran.get_lasers()
+    laser = voltran.VoltranLaser(port=laser_list[0][0])
+    laser.disconnect()
+
+def demo_send_cmd():
+    laser_list = voltran.get_lasers()
+    print(laser_list[0][0])
+    with voltran.VoltranLaser(port=laser_list[0][0]) as laser:
+        print(laser.laser_power)
+
+if __name__ == '__main__':
+    demo_get_laser()
+    demo_voltran()
+    demo_send_cmd()
+# %%