added temp offset float example

Author: ayeks

examples/temp-offset.py

@@ -26,8 +26,8 @@
 output = "{0:.2f} C,{1:.2f} hPa,{2:.3f} %RH".format(sensor.data.temperature, sensor.data.pressure, sensor.data.humidity)
 print(output)
 
-print("SET offset -10 degrees celsius")
-sensor.set_temp_offset(-10)
+print("SET offset -1.87 degrees celsius")
+sensor.set_temp_offset(-1.87)
 sensor.get_sensor_data()
 output = "{0:.2f} C,{1:.2f} hPa,{2:.3f} %RH".format(sensor.data.temperature, sensor.data.pressure, sensor.data.humidity)
 print(output)