add defaultMessageTemplateFilter to example config

Config.example.js

@@ -4,8 +4,32 @@ class Config {
             'test.txt',
             'test1.txt'
         ];
+        this.defaultMessageTemplateFilter = /^\[((\d{1,2}\/\w{3}\/\d{4}):(\d{2}:\d{2}:\d{2}) ([+-]\d{4}))\] status:(\d{3}) request_time:(\d{1,}.\d{3}) upstream_response_time:(\d{1,}.\d{3}) bytes_sent:(\d{1,}) client_ip:(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b|(:{0,2}[\da-f]{1,4}){1,8}) domain:([\w.-]*) request:"((\w{3,7}) (\/[\w-.,_~:<>\\/[\]%@!$'()*+;?=&#]*) HTTP\/(\d\.\d))" referer:"([\w-.,_~:<>\\/[\]%@!$'()*+;?=&#]*)" user_agent:"([\w-.,_~: \/[\]%@!$'()*+;?=&#]*)"$/g
+        this.defaultMessageTemplateFilterMatchingGroupNames = {
+            All: 0,
+            DateTime: 1,
+            Date: 2,
+            Time: 3,
+            TimeZone: 4,
+            StatusCode: 5,
+            RequestTime: 6,
+            UpstreamResponseTime: 7,
+            BytesSent: 8,
+            ClientIp: 9,
+            Domain: 11,
+            Request: 12,
+            Method: 13,
+            Path: 14,
+            ProtocolVersion: 15,
+            Referer: 16,
+            UserAgent: 17
+        };
         this.expressions = [
-            { match: /HTTP\/\d\.\d\" 404/g, subject: 'HTTP 404: ' },
+            {
+                match: /HTTP\/\d\.\d\" 404/g,
+                subject: 'HTTP 404: ',
+                //messageTemplateFilter: /()/g
+            },
             { match: /HTTP\/\d\.\d\" 5\d{2}/g, subject: 'HTTP 5xx: ' }
         ];