Examine source code of Pinterest Extension

{
  "manifest_version": 3,
  "name": "Pinterest Extension",
  "default_locale": "en",
  "version": "1.0.0",
  "description": "declutter, original quality, GIF/video controls, performance optimization for pinterest",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "pinterest-ext@taisan11.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "service_worker": "assets/background-3skuyPFs.js",
    "scripts": [
      "assets/background-3skuyPFs.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup/index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.pinterest.com/*"
      ],
      "js": [
        "assets/content-CmDLuOZf.js"
      ],
      "css": [
        "assets/style-CBdT-K3W.css"
      ]
    }
  ]
}