Examine source code of Forecast Bar Pro 8d1c86

{
  "manifest_version" : 2 ,
  "name" : "Forecast Bar Pro 8d1c86",
  "version" : "8.18.2",
  "description" : "Beautiful weather widget with hourly and daily forecasts.",
  "icons" : {
    "16" : "icons/icon-16.png",
    "48" : "icons/icon-48.png",
    "64" : "icons/icon-64.png",
    "128" : "icons/icon-128.png"
  },
  "browser_action" : {
    "default_popup" : "popup/popup.html",
    "default_icon" : {
      "16" : "icons/icon-16.png",
      "48" : "icons/icon-48.png",
      "64" : "icons/icon-64.png",
      "128" : "icons/icon-128.png"
    },
    "default_title" : "Forecast Bar Pro 8d1c86"
  },
  "permissions" : [
    "storage" ,
    "https://v2.nba.api-sports.io/*" 
  ],
  "background" : {
    "scripts" : [
      "background/background.js" 
    ],
    "persistent" : false 
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "flex-stat-dock@linktools.net",
      "strict_min_version": "101.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_security_policy" : "script-src 'self'; object-src 'self'"
}