fix: added bufferutil dependency

Author: jkga

package-lock.json

@@ -34,6 +34,7 @@
     "axios": "^0.19.2",
     "blessed": "^0.1.11",
     "blessed-contrib": "^2.3.1",
+    "bufferutil": "^4.0.1",
     "clear": "^0.1.0",
     "cli-table3": "^0.5.1",
     "express": "^4.17.1",