Customizable timestamp

Add a customizable timestamp

lib/util/logger.js

@@ -15,7 +15,7 @@ const directory = settings.get().advanced.log_directory.replace('%TIMESTAMP%', t
 fx.mkdirSync(directory);
 
 // Determine the log level.
-const level = settings.get().advanced.log_level;
+const timestampFormat = () => moment().format(settings.get().advanced.timestamp_format);
 
 const levelWithCompensatedLength = {
     'info': 'info ',

lib/util/settings.js

@@ -99,6 +99,13 @@ const defaults = {
          * Home Assistant status topic
          */
         homeassistant_status_topic: 'hass/status',
+
+        /**
+         * Configurable timestampFormat
+         * https://github.com/Koenkk/zigbee2mqtt/commit/44db557a0c83f419d66755d14e460cd78bd6204e
+         */
+        timestamp_format: 'YYYY-MM-DD HH:mm:ss',
+
     },
 };
 
@@ -152,6 +159,7 @@ const schema = {
                 report: {type: 'boolean'},
                 homeassistant_discovery_topic: {type: 'string'},
                 homeassistant_status_topic: {type: 'string'},
+                timestamp_format: {type: 'string'},
             },
         },
         map_options: {