Duolingo Custom Sounds

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Duolingo Custom Sounds",
    "version": "1.0.1",
    "description": "Allows you to customise various sound effects on Duolingo",
    "icons": {
        "16": "duolingo16.png",
        "48": "duolingo48.png",
        "128": "duolingo128.png"
    },
    "permissions": [
        "webRequest",
        "webRequestBlocking",
        ""
    ],
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "manifest_version": 2
}