Add View and controllers for user registration

composer.json

composer.lock

config/bundles.php

config/packages/security.yaml

config/routes.yaml

config/services.yaml

src/Controller/RegistrationController.php

src/Controller/SecurityController.php

src/Form/RegistrationFormType.php

src/Security/AppCustomAuthenticator.php

src/Security/EmailVerifier.php

symfony.lock

templates/base.html.twig

templates/registration/confirmation_email.html.twig

templates/registration/register.html.twig

templates/security/login.html.twig