zoom 버튼 가능 범위 수정

src/hooks/useCanvasEvent.js

@@ -397,8 +397,16 @@ export function useCanvasEvent() {
 
   const handleZoom = (isZoom) => {
     if (isZoom) {
+      const zoom = canvasZoom + 10
+      if (zoom > 500) {
+        return
+      }
       setCanvasZoom(canvasZoom + 10)
     } else {
+      const zoom = canvasZoom - 10
+      if (zoom < 50) {
+        return
+      }
       setCanvasZoom(canvasZoom - 10)
     }
   }