Fix doc header for as3935.py module (#410)

* Fix doc header for as3935.py module
* move pylint annotation

Author: BenjiU

mqtt_io/modules/sensor/as3935.py

@@ -1,8 +1,4 @@
-# pylint: disable=line-too-long
-# pylint: disable=too-many-branches
-# pylint: disable=too-many-statements
 """
-
 AS3935 Ligntning Sensor
 
 Example configuration:
@@ -75,6 +71,9 @@
                      number:    number of lightning events since start
 
 """
+# pylint: disable=line-too-long
+# pylint: disable=too-many-branches
+# pylint: disable=too-many-statements
 
 import logging
 from typing import Dict