Examine source code of startster

{
  "manifest_version": 2,
  "name": "startster",
  "version": "0.3",
  "description": "An beautiful start page for your browser",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "startster@pascal-koelsch.de",
      "strict_min_version": "70.0"
    }
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage"
  ]
}