Hacker News - hide visited comments

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Hacker News - hide visited comments",
    "description": "Automatically hide comment pages that you've visited",
    "version": "1.1.0",
    "author": "Robert Irelan",
    "homepage_url": "https:\/\/github.com\/telotortium\/hacker-news-hide-visited-stories",
    "icons": {
        "16": "hn-hide-icon-16.png",
        "32": "hn-hide-icon-32.png",
        "48": "hn-hide-icon-48.png",
        "128": "hn-hide-icon-128.png"
    },
    "content_scripts": [
        {
            "matches": [
                "*:\/\/news.ycombinator.com\/*"
            ],
            "js": [
                "content.js"
            ]
        }
    ]
}