Added multiple services to be trigered from main API

services/messaging/messaging_service.go

@@ -0,0 +1,11 @@
+package messaging
+
+import (
+	"fmt"
+)
+
+func MessagingService(ch chan string) {
+	for msg := range ch {
+		fmt.Println("Messaging Service: ", msg)
+	}
+}