corrected vn -> vi

package-lock.json

@@ -3929,6 +3929,16 @@
       "resolved": "https://registry.npmjs.org/debounce/-/debounce-1.1.0.tgz",
       "integrity": "sha512-ZQVKfRVlwRfD150ndzEK8M90ABT+Y/JQKs4Y7U4MXdpuoUkkrr4DwKbVux3YjylA5bUMUj0Nc3pMxPJX6N2QQQ=="
     },
+    "debounce-stream": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/debounce-stream/-/debounce-stream-2.0.0.tgz",
+      "integrity": "sha1-HjNADM/wFavY7DMGYaVitoQQsI8=",
+      "requires": {
+        "debounce": "1.1.0",
+        "duplexer": "0.1.1",
+        "through": "2.3.8"
+      }
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",