Rastreador de supermercados

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Rastreador de supermercados",
  "version": "0.1.0",
  "description": "Histórico de precios de productos de supermercados Españoles",
  "content_scripts": [
    {
      "js": [
        "chart.min.js",
        "script.js"
      ],
      "run_at": "document_end",
      "matches": [
        "https://tienda.mercadona.es/*"
      ]
    }
  ]
}