SimplerTips - Simple Tip Calc

Version 1.3: • Added optional tip details for saved tips: name, address, and notes • Added a Details dropdown on the calculator screen • Added a reminder prompt when saving a tip without details • Added editing for saved tips in Tip History • Redesigned the Tip History screen with cleaner saved tip cards • Changed saved tip sharing from plain text to a generated receipt-style image • Added automatic check amount formatting while typing • Removed the keyboard Save button and right-aligned Done • Improved Settings layout and centered the app information header • Replaced the Tint Color name menu with a color swatch picker • Updated Settings section headers to normal title case • Fixed the SimplerTips icon in Other Apps • Cleaned up duplicated theme values, safer image loading, and Core Data save handling