Examine source code of VeroEats — Is This Actually Healthy?

{
  "manifest_version": 3,
  "name": "VeroEats — Is This Actually Healthy?",
  "version": "0.7.2",
  "description": "Instant health scores, ingredient flags & additive analysis right on Amazon, Walmart & Target product pages. Private by design.",
  "permissions": [
    "storage",
    "scripting",
    "activeTab"
  ],
  "host_permissions": [
    "https://*.amazon.com/*",
    "https://*.walmart.com/*",
    "https://*.target.com/*",
    "https://*.iherb.com/*",
    "https://*.vitacost.com/*",
    "https://*.gnc.com/*",
    "https://*.costco.com/*",
    "https://*.kroger.com/*",
    "https://*.thrivemarket.com/*",
    "https://world.openfoodfacts.org/*",
    "https://us.openfoodfacts.org/*"
  ],
  "optional_host_permissions": [
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.amazon.com/*",
        "https://*.walmart.com/*",
        "https://*.target.com/*",
        "https://*.iherb.com/*",
        "https://*.vitacost.com/*",
        "https://*.gnc.com/*",
        "https://*.costco.com/*",
        "https://*.kroger.com/*",
        "https://*.thrivemarket.com/*"
      ],
      "js": [
        "additives.js",
        "scoring.js",
        "extract.js",
        "off.js",
        "adapters.js",
        "supplements.js",
        "content.js"
      ],
      "css": [
        "overlay.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "VeroEats settings"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "veroeats@veroeats.app",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}