Update README.md

Author: jbarcia2019

README.md

@@ -334,7 +334,7 @@ https://trello.com/b/CO5xGXpN/daw-2021-2022
 * Docker (Base de datos PostgreSQL): docker run -d --name postgres-server -p 5433:5432 -e "POSTGRES_PASSWORD=password" postgres
 * Docker Hub: docker run -d --publish 8443:8443 jesusbarcia/codeurjc-daw-2021-22-webapp4
 * Heroku: https://codeurjc-daw-2021-22-webapp4.herokuapp.com/
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 ### Usuarios
 * admin: [email protected] 1234
 * user: [email protected] 1234