Duolibro

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Duolibro",
  "version": "1.5.1",
  "manifest_version": 2,
  "description": "Automatically changes the input language on duolingo.com if needed.",
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.duolingo.com/*"
      ],
      "js": [
        "jquery.js",
        "spanish.js",
        "russian.js",
        "ukrainian.js",
        "turkish.js",
        "norwegian.js",
        "german.js",
        "hebrew.js",
        "vietnamese.js",
        "swedish.js",
        "danish.js",
        "duolingoext.js"
      ]
    }
  ]
}