impelement sign up function #3

[mohammedali-khmiri]

important point in this ticket:

Add the Register function and their inputs.  improve the design of the button (the same as on the login page). Add the Register page to the header component to display when you click the sign-up button.

[mohammedali-khmiri]

Last update on this ticket : Add the register action and register states configure the toast notifications to Handle the Result and display the correct message