new changes

README.md

 	 * a database service: ***microservices-db***
 	 * a confguration server: ***microservices-config-service***
 	 * a service of registration of microservices: ***micoservices-registration-service***
-	 * a gateway service between backend and the frontend: ***backend-frontend-gateway-service***
-	 
+	 * a gateway service between backend and the frontend: ***backend-frontend-gateway-service*** 
  
 * business microservices (each business microservice is implemented in clean architecture pattern):