Examine source code of Scribd PDF Downloader

{
  "manifest_version": 2,
  "name": "Scribd PDF Downloader",
  "version": "1.0.0",
  "description": "Download PDF files from Scribd easily",
  "permissions": [
    "storage",
    "webNavigation",
    "tabs",
    "*://*.scribd.com/document/*",
    "*://*.scribd.com/doc/*",
    "*://*.scribd.com/embeds/*/content*",
    "*://*.scribd.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "scribd-pdf-downloader@extension",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.scribd.com/document/*",
        "*://*.scribd.com/doc/*"
      ],
      "js": [
        "jspdf.min.js",
        "content.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*.scribd.com/embeds/*/content*"
      ],
      "js": [
        "jspdf.min.js",
        "embed.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "jspdf.min.js"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}