add 规则引擎集群

jetlinks-standalone/src/main/java/org/jetlinks/community/standalone/configuration/cluster/ruleEngine/ClusterRuleEngine.java

@@ -13,6 +13,7 @@ import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 import reactor.core.scheduler.Schedulers;
 
+import javax.annotation.PostConstruct;
 import java.time.Duration;
 
 /**
@@ -39,6 +40,7 @@ public class ClusterRuleEngine extends DefaultRuleEngine {
         this.serverId = serverId;
     }
 
+    @PostConstruct
     public synchronized void init(){
         if(started){
             return;