Examine source code of Daztab

{
  "name": "Daztab",
  "description": "Daztab is a browser extension that replaces your new tab page with a beautiful and streamlined dashboard.",
  "manifest_version": 2,
  "version": "1.0",
  "author": "Zigao Wang",
  "homepage_url": "https://github.com/ZigaoWang/daztab",
  "icons": {
    "16": "favicon/favicon-16x16.png",
    "32": "favicon/favicon-32x32.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{faf6c35f-6780-4857-9958-2c6fb8ca02af}"
    }
  }
}