Update icon and splash screen

Update look and feel and settings color picker

NOTE: You will need to re-enter your player names with this update.
Update data table to cater for fixed top row and left column.
Add checkboxes for player selection.
Long-press a score to edit.
Fix sort order after player deletion.
Add/edit score input validation.
Add lead score row.
Add settings page.
Auto-scroll to totals row.
Add snapshots.
Long-press player to edit their name.
Next turn indicator.
Update Admob code.
Move current game, settings and snapshots to Get Storage.

Update ad position

Updated for iOS 14 and full screen display
Added Settings screen to allow custom team colors

- Performance Enhancements
- Save score on app exit