Examine source code of Quick Note Taker

{
  "manifest_version": 2,
  "name": "Quick Note Taker",
  "version": "1.0.0",
  "description": "A lightweight extension to quickly write, copy, and save notes.",
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Quick Note Taker"
  },
  "icons": {
    "48": "icon.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "applications": {
    "gecko": {
      "id": "quick-note-taker@example.com"
    }
  }
}