Add screen with list of prices like desktop app. Can delete, add, or edit prices. <img width="791" alt="Image" src="https://github.com/user-attachments/assets/8768458d-a212-4f3c-bed3-59433e58ea94" /> <img width="368" alt="Image" src="https://github.com/user-attachments/assets/7eb0047e-af18-418e-bfa6-7237ccb7937a" />
