Onboarding - Content Creator Application: Creation, Viewing, Rejection, Approval

[Adachigaming]

Description

This PR is mostly about the creation, viewing, rejection, and approval of freelance Content Creators, with some additional design changes.

Changes

New Features

• Updated Signup flow, allowing for creation of application after making a user
• Login now checks whether or not Content Creators are approved or rejected
• Error messages on the Login page will also inform the user if they are rejected or not approved
• Modernized Admin page to match current database
• Modernized SingleApplicantView to match current database
• Can now either reject or approve a Content Creator application, with the ladder making the account eligible for logging in

New Design

• Updated colors and text to match new Figma design
• Updated error messages in Signup and Login: they are now displayed under the field from which the error originates
• Updated Navbar to now also include user information
• Slightly updated design of the Admin and SingleApplicantView pages to be more inline with the modern design. Approved by Luiza

Related Issues

Checklist

• [x] Code has been tested locally and passes all relevant tests.
• [x] Documentation has been updated to reflect the changes, if applicable.
• [x] Code follows the established coding style and guidelines of the project.
• [x] All new and existing tests related to the changes have passed.
• [x] Any necessary dependencies or new packages have been properly documented.
• [x] Pull request title and description are clear and descriptive.
• [x] Reviewers have been assigned to the pull request.
• [x] Any potential security implications have been considered and addressed.
• [x] Performance impact of the changes has been evaluated, if relevant.

Screenshots (if applicable)

If mobile/frontend pull request, what version of the backend is it stable, and running on?

Runs on the "Onboarding-CCApplicationFix" backend, commit id: c40f290

Notes for Reviewers

The backend is not fully tested yet, and so the Frontend PR is the only thing we have for now