Examine source code of Random Quote Generator v3

{
  "manifest_version": 2,
  "name": "Random Quote Generator",
  "version": "1.0",
  "description": "Get inspired with random quotes.",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png"
    }
  },
  "permissions": [
    "https://api.quotable.io/*"
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d4d79b1a-15a3-4bea-a78a-723547291e40}"
    }
  }
}