Functionality & MVP

• Record an expense with category, price, description can be optional and date, and income.
• Create a new create category with an icon.
• View daily and monthly report on the show pages, which include charts and summaries, category details.
• Customize their report, for example adding a new report of a category.
• Bonus: Provide an icon shop, every time when user enter an expense, user will receive a point, and they can use points to exchange for the category icon from the shop.