Adding file rollover size and max count policies

roles/openshift_logging_elasticsearch/templates/log4j2.properties.j2

@@ -19,6 +19,10 @@ appender.rolling.policies.type = Policies
 appender.rolling.policies.time.type = TimeBasedTriggeringPolicy
 appender.rolling.policies.time.interval = 1
 appender.rolling.policies.time.modulate = true
+appender.rolling.policies.size.type=SizeBasedTriggeringPolicy
+appender.rolling.policies.size.size=100MB
+appender.rolling.strategy.type=DefaultRolloverStrategy
+appender.rolling.strategy.max=5
 
 rootLogger.level = info
 {% if 'console' in root_logger  %}