add index.html template for viewport example

Sascha Schulz

2023-08-30 e3cc1968371467dfa5d61795bfe84eeaff0bc1e4

 package.json

@@ -15,6 +15,7 @@
  },
  "dependencies": {
    "copyfiles": "^2.4.1",
    "express": "^4.18.2"
    "express": "^4.18.2",
    "node-fetch": "^3.3.1"
  }
}