Examine source code of Focus Guard Pro

{
  "manifest_version": 2,
  "name": "Focus Guard Pro",
  "version": "1.0",
  "description": "Customizable distraction blocker with creativity reminders.",
  "permissions": [
    "tabs",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "browser_action": {
    "default_icon": "images/icon.png",
    "default_title": "Focus Guard Settings",
    "default_popup": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "focusguard@devayu-codes",
      "strict_min_version": "143.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}