Examine source code of UniSat Wallet

{
  "manifest_version": 2,
  "name": "Page Checklist",
  "version": "0.3",
  "description": "Add a per-page checklist that stays with each URL.",
  "applications": {
    "gecko": {
      "id": "{c2c248ff-4d08-4e0d-9e7e-d2191d45c518}",
      "strict_min_version": "68.0"
    }
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/icon.png"
  },
  "icons": {
    "48": "icons/icon48.png",
    "64": "icons/icon64.png"
  }
}