Examine source code of SellerBeam

{
  "manifest_version": 2,
  "name": "SellerBeam",
  "version": "1.3.40",
  "description": "Amazon FBA arbitrage sourcing tool by SellerBeam.io",
  "homepage_url": "https://www.sellerbeam.io",
  "browser_specific_settings": {
    "gecko": {
      "id": "sellerbeam@sellerbeam.io",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "https://extension-backend-beryl.vercel.app/*",
    "https://www.amazon.com/*",
    "https://sellerbeam.io/*",
    "https://app.sellerbeam.io/*",
    "https://iecqyrwrqlspzuosbdnq.supabase.co/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.amazon.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_title": "SellerBeam",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "sidebar.html",
    "sidebar.js",
    "sidebar.css",
    "popup.html",
    "background.js",
    "content.js"
  ]
}