Examine source code of Net Highlights

{
  "manifest_version": 2,
  "name": "Net Highlights",
  "version": "1.0",
  "description": "Generate fun, summarized highlights from your browsing history in 2024!",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "permissions": [
    "history"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{931ce257-9deb-4786-9b25-d19b10a8e4c9}"
    }
  }
}