Addition of timedRotatingHandler to log_config.yaml for messages to be logged in files

Author: li-ruihao

log_config.yaml

@@ -1,5 +1,5 @@
 version: 1
-disable_existing_loggers: True
+disable_existing_loggers: False
 
 formatters:
     default:
@@ -12,7 +12,15 @@ handlers:
         level: DEBUG
         formatter: default
         stream: ext://sys.stderr
+    file_rotating:
+        class: logging.handlers.TimedRotatingFileHandler
+        level: DEBUG
+        filename: ictrl_log.log
+        formatter: default
+        when: 'midnight'
+        interval: 1
+        backupCount: 14
 
 root:
     level: DEBUG
-    handlers: [console]
+    handlers: [console, file_rotating]