Examine source code of StartyHome

{
  "manifest_version": 2,
  "name": "Starty",
  "githuburl": "https://github.com/josh-codes/Startly",
  "version": "0.0.2",
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "A nice simple and beautiful startpage.",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "64": "icons/64.png",
    "128": "icons/128.png",
    "256": "icons/256.png",
    "512": "icons/512.png"
  },
  "chrome_url_overrides": {
    "newtab": "pages/index.html"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ed6fb18b-c51a-4502-985f-d2b73538c3d9}",
      "strict_min_version": "80.0"
    }
  }
}