Examine source code of daily brief

{
  "manifest_version": 2,
  "name": "DailyBrief",
  "version": "1.0",
  "description": "One-click news digest from your selected sources. A full-page dashboard for staying informed.",
  "permissions": [
    "storage",
    "alarms",
    "notifications"
  ],
  "icons": {
    "48": "stamps/brief-48.png",
    "96": "stamps/brief-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "joandbergio@outlook.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "browser_action": {
    "default_title": "DailyBrief",
    "default_icon": {
      "48": "stamps/brief-48.png",
      "96": "stamps/brief-96.png"
    }
  },
  "options_ui": {
    "page": "digest/digestView.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  }
}