Add TransactionDetailScreen with OpenContainer animation when clicking on a card on the HistoryScreen
Make a CustomColors static method to determine which color to choose (expense/income) to prevent repeated code
Add charts for the app! The first chart is a pie chart in the TransactionDetailsScreen saying how much that transaction contributed to the overall expenses/income.
Make deleting transactions a thing
Balance the default loaded transactions
Add secondary colors to CustomColors and on-text color