fix: add touchmove event (#448)

Co-authored-by: Maeva <[email protected]>

Author: Adeams1805

src/Tree/index.tsx

@@ -165,8 +165,11 @@ class Tree extends React.Component<TreeProps, TreeState> {
           return true;
         })
         .on('zoom', (event: any) => {
-          if (!this.props.draggable && (event.sourceEvent.type === 'mousemove')) {
-            return
+          if (
+            !this.props.draggable &&
+            (event.sourceEvent.type === 'mousemove' || event.sourceEvent.type === 'touchmove')
+          ) {
+            return;
           }
 
           g.attr('transform', event.transform);