Statistics Refresh and Version Display

Statistics data now refreshes automatically when you return to the screen, the charts have improved visualization, and the app version is shown in settings.

Improvements

• Statistics data refreshes automatically when the statistics screen is focused to provide the latest information.

• Charts in the statistics screen have been updated with improved axis labels, clearer bar widths, and enhanced styling for better readability.

• The current app version is now displayed in the settings screen for easier version identification.