add Zoom with Double Tap

Config/DefaultInput.ini

@@ -103,7 +103,7 @@ bFilterInputByPlatformUser=False
 bShouldFlushPressedKeysOnViewportFocusLost=True
 bAlwaysShowTouchInterface=False
 bShowConsoleOnFourFingerTap=True
-bEnableGestureRecognizer=False
+bEnableGestureRecognizer=True
 bUseAutocorrect=False
 DefaultViewportMouseCaptureMode=CapturePermanently_IncludingInitialMouseDown
 DefaultViewportMouseLockMode=LockOnCapture
@@ -111,7 +111,7 @@ FOVScale=0.011110
 DoubleClickTime=0.200000
 DefaultPlayerInputClass=/Script/EnhancedInput.EnhancedPlayerInput
 DefaultInputComponentClass=/Script/EnhancedInput.EnhancedInputComponent
-DefaultTouchInterface=/Game/FirstPerson/Input/MobileControls.MobileControls
+DefaultTouchInterface=None
 -ConsoleKeys=Tilde
 +ConsoleKeys=Tilde