hlk9/Testify ? reverse-engineered prompt

Build me a simple web app for my school project called Testify.

I want it to feel like a finished product, with a clean homepage, a few useful pages, and a working backend so the front end can load and save data properly. Keep the design modern and easy to use, and make sure the app is organized in a way that matches a real project with a web part, an API part, and a data layer.

Please set it up so I can open the solution and run the app without a lot of extra work. If you need to check current docs online for anything important, go ahead and do that. Also, make the code easy to understand since this is for a graduation project and I may need to explain it later.