Examine source code of The VP Extension

{
  "name": "The VP Extension",
  "manifest_version": 3,
  "version": "1.6",
  "icons": {
    "32": "32.png",
    "128": "128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "VPExtension@enbette.com",
      "strict_min_version": "58.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.virtualpopstar.com/*"
      ],
      "css": [
        "css/main.css"
      ],
      "js": [
        "jquery-1.12.4.min.js",
        "content_script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "storage"
  ]
}