…ks for the existence of a username in the database, and if there is one, skips trying to add the current and sends back true to the clint. Changed signupcontroller to handle that true, send an alert pop up that the username already exist, and then directs then state back to signup
…ks for the existence of a username in the database, and if there is one, skips trying to add the current and sends back true to the clint. Changed signupcontroller to handle that true, send an alert pop up that the username already exist, and then directs then state back to signup