Add feed to Slack

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Add feed to Slack",
    "short_name": "Feed2Slack",
    "version": "0.0.2",
    "manifest_version": 3,
    "minimum_chrome_version": "99",
    "description": "Add feed to Slack's RSS integration by Action.",
    "author": "Syoichi Tsuyuhara",
    "homepage_url": "https:\/\/github.com\/syoichi\/add-feed-to-slack",
    "icons": {
        "16": "img\/icon\/16.png",
        "32": "img\/icon\/32.png",
        "48": "img\/icon\/48.png",
        "128": "img\/icon\/128.png"
    },
    "action": {
        "default_icon": {
            "16": "img\/icon\/16.png",
            "24": "img\/icon\/24.png",
            "32": "img\/icon\/32.png"
        },
        "default_title": "Add feed to Slack"
    },
    "background": {
        "service_worker": "js\/service-worker.js",
        "type": "module"
    },
    "permissions": [
        "activeTab",
        "scripting"
    ],
    "host_permissions": [
        "*:\/\/*\/*"
    ],
    "content_scripts": [
        {
            "matches": [
                "*:\/\/*\/*"
            ],
            "js": [
                "js\/content.js"
            ],
            "run_at": "document_end"
        }
    ],
    "web_accessible_resources": [
        {
            "matches": [
                "*:\/\/*\/*"
            ],
            "resources": [
                "js\/get-feed-url.js"
            ],
            "use_dynamic_url": true
        }
    ]
}