fix: touch devices - allow pointer to leave container and continue dr…

…agging while pointer is down

src/react-compare-slider.tsx

@@ -214,9 +214,18 @@ export const ReactCompareSlider: React.FC<ReactCompareSliderProps &
       window.addEventListener('mousemove', handlePointerMove, {
         passive: true,
       });
+
       window.addEventListener('mouseup', handlePointerUp, {
         passive: true,
       });
+
+      window.addEventListener('touchmove', handlePointerMove, {
+        passive: true,
+      });
+
+      window.addEventListener('touchend', handlePointerUp, {
+        passive: true,
+      });
       hasWindowBinding.current = true;
     }