Not another spanish dictionary

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "version": "1.1",
  "description": "Herramienta para consultar dudas sobre ortografía y gramática. Incluye buscadores en varios diccionarios.",
  "default_locale": "en",
  "browser_action": {
    "default_icon": "icon32.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "64": "icon64.png",
    "128": "icon128.png"
  },
  "permissions": [
    "tabs"
  ],
  "web_accessible_resources": [
    "editor.css",
    "scripts/*",
    "jsESlanguage/*",
    "main.html"
  ]
}