Add prudential.com

[Semicolon-Rumbling8-Supernova]

No description provided.

[kmpoppe]

Hello,
thank you for your interest in twofactorauth.org 😃

While we'd love to add all sites to the list we simply don't have enough time to do so.
Therefor we rely on people's pull requests(PR). The requirements for pull requests can be found here.
If you need help making your PR or have any questions regards the PR requirements don't be afraid to ask us!

If you don't want to make a pull request, please provide the following information about the site:

• Site name
• Main URL of the site
• Category which the site would be in.
• What kinds of 2FA authentication the site supports.
• When the site asks for 2FA.
• Link to any documentation on how to enable 2FA on the site. If no documentation is available, please provide screenshot(s) of the setup process and/or login process. Remember to blur or crop out any personal information linked to you.

You can attach the screenshots here in a comment, like this:

[Semicolon-Rumbling8-Supernova]

Site name - Prudential
Main URL of the site - https://www.prudential.com
Category which the site would be in. - Banking
What kinds of 2FA authentication the site supports. - SMS
When the site asks for 2FA. - after User Name & Password