rename update-password to reset-password (to close with password-modification)

src/app/user/controllers/UserController.php

src/core/controllers/AuthenticationController.php

src/frontend/app/app-routing.module.ts

src/frontend/app/app.module.ts

...end/app/login/resetPassword/reset-password.component.html

...end/app/login/resetPassword/reset-password.component.scss

...ntend/app/login/resetPassword/reset-password.component.ts