[agent-go] 完成RabbitMQ连接部分的代码

agent-go/g/global.go

@@ -1,9 +1,20 @@
 package g
 
+import "github.com/spf13/viper"
+
 type Global struct {
-	LOG *Logger
+	LOG         *Logger
+	NacosConfig *viper.Viper
 }
 
+const (
+	QueueDirect  = "direct"
+	QueueTopic   = "topic"
+	ExecOmType   = "EXECUTOR"
+	StatusOmType = "STATUS"
+	InitOmType   = "INIT"
+)
+
 var logger, _ = NewLogger()
 
 var G = NewGlobal(