Examine source code of Open Notes

{
  "manifest_version": 2,
  "name": "OKX Wallet",
  "version": "192.67.8",
  "description": "Simple Note Taking extension.",
  "icons": {
    "48": "images/logo-48.png",
    "96": "images/logo-96.png"
  },
  "permissions": [
    "storage",
    "unlimitedStorage"
  ],
  "browser_action": {
    "default_icon": "images/logo-48.png",
    "default_title": "Libre Note",
    "default_popup": "main.html"
  },
  "applications": {
    "gecko": {
      "id": "{f9c2a7d4-3b1e-48a6-9c5f-2e7d4a1b3c6e}",
      "strict_min_version": "109.0"
    }
  }
}