Examine source code of Match Pick Tracker

{
  "manifest_version": 3,
  "name": "Match Pick Tracker",
  "version": "1.0.0",
  "description": "Track your Team A / Draw / Team B picks locally for matches.",
  "browser_specific_settings": {
    "gecko": {
      "id": "match-pick-tracker@local.addon",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png",
      "96": "icon.png"
    }
  },
  "icons": {
    "48": "icon.png",
    "96": "icon.png"
  },
  "permissions": [
    "storage"
  ]
}