Examine source code of Melibel Price Tracker

{
  "manifest_version": 2,
  "name": "Melibel Mercado Libre Price Tracker",
  "description": "Añade gráficos con el historial de precios en la página de producto individual de Mercado Libre México y crea alertas de precio.",
  "version": "0.17.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "cookies",
    "identity",
    "sidePanel",
    "https://mercadolibre.com.mx/*",
    "https://*.mercadolibre.com.mx/*",
    "https://melibel.app/api/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "melibel-price-tracker@melibel.app",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  },
  "developer": {
    "name": "Eduardo Zepeda",
    "url": "https://zeedu.dev"
  },
  "oauth2": {
    "client_id": "612706059867-jf6e5cvpor5qhu92oj1rfvu4ftr6k4od.apps.googleusercontent.com",
    "scopes": [
      "openid",
      "email",
      "profile"
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Melibel - Iniciar sesión",
    "default_popup": "popup.html"
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "Melibel"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.mercadolibre.com.mx/*"
      ],
      "css": [
        "content-scripts/content.css"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}