feat: major: add account detail and card history page

[linyahu]

Pull Request Case Study

Background Context
You currently run a small engineering team building a full stack application for Apex Financial Group, a fintech start up that offers low-interest credit cards. AFG needs a tool to manage their cardholders and check on a regular basis which cardholders have fallen behind on their monthly payments. This tool is currently being developed, and currently has a very basic search page that allows a user to enter in search parameters to get a list of cardholder accounts that match.

Alice, a junior engineer on your team, has been tasked with adding to that feature. Her project includes:

• Creating an account details page that displays information about the cardholder:
• Creating a history table that shows when the cardholder has made payments on their card
• Adding some new columns to the initial search page to show a card's overdue balance (if any) as well as a column for how many days this card balance is overdue
• Creating the necessary backend methods and API calls that support this new feature

She's been struggling with completing this task, and has been more than a week delayed in finishing up this project. She has also not proactively raised issues or blockers with her tasks.

Requirements

• Review Alice's PR thoroughly with suggestions of improvement. Comment live with your interviewer or use your GitHub account to prep a "pending review".
• Discuss with your interviewer how you would approach Alice in a 1-1 review of her work. This should include more high level feedback about Alice's performance and identify areas for improvement.