Slack Channels Group Color

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "version": "0.0.3",
    "manifest_version": 3,
    "default_locale": "en",
    "icons": {
        "64": "img\/icon_64.png",
        "128": "img\/icon_128.png",
        "512": "img\/icon_512.png"
    },
    "content_scripts": [
        {
            "all_frames": false,
            "css": [
                "css\/contents.css"
            ],
            "js": [
                "plugin\/jquery.min.js",
                "js\/contents.js"
            ],
            "include_globs": [
                "https:\/\/app.slack.com\/*"
            ],
            "matches": [
                "http:\/\/app.slack.com\/*",
                "https:\/\/app.slack.com\/*"
            ],
            "run_at": "document_start"
        }
    ],
    "name": "__MSG_extensionName__",
    "description": "__MSG_extensionDescription__"
}