Generate link to verify email during registration

[oksanahorishna]

As a system
I want to send a verification link
So that the user's email address can be verified during registration

Scenario: Generate email verification link
Given the user is on the registration page
When the user enters an email address
And clicks on the "Зареєструватися" button
Then the user should receive an email with a verification link

Scenario: Verify email using the verification link
Given the user received an email with a verification link
When the user clicks on the link in the email
Then the user should be redirected to the verification page
And the verification page should display a success message
And the user's email should be marked as verified in the system

Linked epic #3

[oksanahorishna]

And the email should be sent from "[email protected]"
And the email subject should contain "Email Verification"
And the email body should contain a link starting with "https://example.com/verify?token="

should we specify such details?

[mehalyna]

Task #376