Examine source code of Motivational Tab

{
  "manifest_version": 2,
  "name": "Motivational Tab",
  "description": "Opens a cool animation image with a motivational quote.",
  "homepage_url": "https://github.com/nabendu82/Motivational-Tab",
  "version": "1.1resigned1",
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png"
  },
  "chrome_url_overrides": {
    "newtab": "tabs.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9231d63a-2cc4-49ae-850f-ac16d7158794}"
    }
  }
}