Examine source code of Title Optimizer

{
  "manifest_version": 2,
  "name": "Title Optimizer",
  "version": "1.0",
  "description": "Suggest more engaging titles for blog posts or videos.",
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9a4220f0-d3c9-4b82-a999-ba57f8e0969a}"
    }
  }
}