Add serve into package.json

Author: BenjaminCharmes

webapp/package.json

@@ -41,6 +41,7 @@
     "process": "^0.11.10",
     "qrcode-vue3": "^1.7.1",
     "redis": "^4.7.0",
+    "serve": "^14.2.4",
     "stream-browserify": "^3.0.0",
     "tinymce": "5",
     "vue": "^3.5.13",