Youtube hide watched

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Youtube hide watched",
    "description": "Hide watched videos on youtube",
    "author": "George Shinkarev ",
    "version": "1.1",
    "manifest_version": 3,
    "content_scripts": [
        {
            "matches": [
                "https:\/\/*.youtube.com\/*"
            ],
            "js": [
                "inject.js"
            ],
            "css": [
                "inject.css"
            ]
        }
    ],
    "permissions": [
        "storage"
    ],
    "action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16": "\/images\/get_started16.png",
            "32": "\/images\/get_started32.png",
            "48": "\/images\/get_started48.png",
            "128": "\/images\/get_started128.png"
        }
    },
    "icons": {
        "16": "\/images\/get_started16.png",
        "32": "\/images\/get_started32.png",
        "48": "\/images\/get_started48.png",
        "128": "\/images\/get_started128.png"
    },
    "options_page": "options.html"
}