Examine source code of Matrix New Tab

{
  "manifest_version": 2,
  "name": "MatrixNewTab",
  "short_name": "new-tab-moment",
  "version": "1.1",
  "description": "A new tab who displays the Matrix raining code, the hour, the date and a greeting.",
  "author": "João Paulo Buchholz",
  "homepage_url": "https://github.com/jompa14/MatrixNewPage",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "permissions": [
    "storage",
    "geolocation"
  ]
}