Examine source code of HoopsJunkie

{
  "manifest_version": 3,
  "name": "Hoops Junkie",
  "version": "0.1.4",
  "description": "Live NBA scores at a glance",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "host_permissions": [
    "https://api.hoopsjunkie.io/*",
    "http://localhost:3001/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "hoops-junkie@glennmccomb.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}