feat: add standout log template for logback

Author: easepan

src/main/resources/logback-sample.xml

@@ -11,7 +11,19 @@
         </encoder>
     </appender>
 
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %5p %c{0}:%L - %m%n</pattern>
+        </encoder>
+        <filter class="ch.qos.logback.classic.filter.LevelFilter">
+            <level>ERROR</level>
+            <onMatch>ACCEPT</onMatch>
+            <onMismatch>DENY</onMismatch>
+        </filter>
+    </appender>
+
     <root level="info">
         <appender-ref ref="FILE"/>
+        <appender-ref ref="STDOUT"/>
     </root>
-</configuration>
+</configuration>