feat: append mouse left click after touch up as an option for OSRS (Old School RuneScape) or similar games that requires double tap on touchscreen

VoidLink/Database/TemporarySettings.h

@@ -83,6 +83,7 @@
 @property (nonatomic, retain) NSNumber * appTheme;
 @property (nonatomic, retain) NSNumber * edgeSlidingSensitivity;
 @property (nonatomic, retain) NSNumber * audioEngine;
+@property (nonatomic) BOOL appendLeftClick;
 @property (nonatomic, retain) NSNumber * framePacingMode;
 
 - (id) initFromSettings:(Settings*)settings;