Add log4j configuration

src/main/resources/log4j2.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+  <Appenders>
+    <Console name="Console" target="SYSTEM_OUT">
+      <PatternLayout
+          pattern="%d{HH:mm:ss.SSS} %highlight{%level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green, DEBUG=blue} %logger{36} - %msg%n"/>
+    </Console>
+  </Appenders>
+  <Loggers>
+    <Root level="DEBUG">
+      <AppenderRef ref="Console"/>
+    </Root>
+    <Logger name="akka.cluster" level="info">
+      <AppenderRef ref="Console"/>
+    </Logger>
+  </Loggers>
+</Configuration>