Examine source code of home_rc

{
  "manifest_version": 3,
  "name": "homerc",
  "version": "1.0",
  "developer": {
    "name": "vimlinuz",
    "url": "https://vimlinuz.is-a.dev/"
  },
  "homepage_url": "https://www.github.com/vimlinuz/homerc",
  "description": "customizable browser homepage/startpage ",
  "icons": {
    "48": "icons/homerc.png",
    "96": "icons/homerc.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "homerc@vimlinuz",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}