Server Log Events (#996)

* Server Log Event

* LogEventAppender Encoder

src/main/resources/logback.xml

@@ -16,6 +16,11 @@
       <pattern>%d{yyyy-MM-dd'T'HH:mm:ss'Z'} &lt;%level:%class&gt; %m%n</pattern>
     </encoder>
   </appender>
+  <appender name="SERVEREVENT" class="emu.grasscutter.utils.ServerLogEventAppender">
+    <encoder>
+      <pattern>%d{HH:mm:ss} &lt;%highlight(%level):%gray(%class{0})&gt; %msg%n</pattern>
+    </encoder>
+  </appender>
 
   <logger name="org.reflections" level="OFF" />
   <logger name="emu.grasscutter" level="${LOG_LEVEL}" />
@@ -23,5 +28,6 @@
   <root level="INFO">
     <appender-ref ref="STDOUT" />
     <appender-ref ref="FILE" />
+    <appender-ref ref="SERVEREVENT" />
   </root>
 </Configuration>