Implementation - Create login workflow related pages

[mmurthydol]

Specification is from stories #341 #350 #389 #283 TODO @simplyshang please review the stories above and include the correct ones. TODO All: Probably best to create individual impl. stories for each page for UX development. In addition will need to stories to ensure login flow across these pages (& needs to tie into server side identity framework related logic)....

• Error page already happens to have a separate visual-design/impl. story

TODO add blocking visual design story to each implementation story to be created...

Functionality

• [ ] Banner Page - see separate story (#81)
• [ ] User Account Registration Page - redesigned from UXpin link, reuse views from existing login page - Harun/Leslie (#397)
• [ ] Login Page - redesigned from UXpin link with banner, different from registration page (#416)
• [ ] Employer Registration Page - uxping walkthrough (#417)
• [ ] Employer Registration Error Page (#389)
• [ ] 2FA related Page (spec will come from Madhu/David) (#418)

Acceptance Criteria

• [ ] Pages are implemented and ready to be wired to server side logic.
• [ ] Pages are responsive.
• [ ] Pages are accessible.
• [ ] Pages conform to the login workflow specified by User Design.

Accessibility

• [ ] TODO

[phirefly]

Closing this because implementation stories have been created.