add hold mouse function

scripts/Subnautica.ahk

@@ -22,6 +22,10 @@ WrapperWindow:="Subnautica"
 *!Space UP::Hold("Space",["LShift"])
 *!LShift Up::Hold("LShift",["Space"])
 
+; Alt + mouse key: hold key
+*!LButton UP::Hold("LButton",["RButton","MButton"])
+*!RButton UP::Hold("RButton",["LButton","MButton"])
+
 ; Turbo click to break rocks when caps lock on
 #HotIf GetKeyState("CapsLock","T")
 *LButton::Turbo("LButton")