Update README.md

Author: andresWeitzel

README.md

@@ -9,3 +9,5 @@ Tutorial doc swagger : https://www.youtube.com/watch?v=WIvZVv2chXM
 doc oficial swagger anotations : https://docs.swagger.io/swagger-core/current/apidocs/
 
 ej anotation : https://github.com/ekim197711/springboot-swagger/blob/master/src/main/java/com/codeinvestigator/demoswaggerui/space/SpaceCraftController.java
+
+Codigos HTTP de respuestas desarrollar en apis :https://www.ibm.com/docs/es/odm/8.5.1?topic=api-rest-response-codes-error-messages