List Highlighter for Trello

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "List Highlighter for Trello",
    "description": "Change list background colours",
    "version": "5.0.3",
    "author": "Mark Kenny",
    "homepage_url": "https:\/\/beingmrkenny.co.uk\/web-extensions\/list-highlighter-trello",
    "options_ui": {
        "page": "options-page\/index.html",
        "open_in_tab": true
    },
    "permissions": [
        "storage"
    ],
    "content_scripts": [
        {
            "all_frames": true,
            "js": [
                "js\/third\/autosize.js",
                "js\/classes\/Global.js",
                "js\/classes\/Color.js",
                "js\/classes\/StorageLegacy.js",
                "js\/classes\/Options.js",
                "js\/classes\/Rules.js",
                "js\/classes\/DataStorage.js",
                "js\/front-end\/InsertedCSS.js",
                "js\/front-end\/RulesMatcher.js",
                "js\/front-end\/TrelloPage.js",
                "js\/front-end\/System.js",
                "js\/functions.js",
                "js\/init.js"
            ],
            "matches": [
                "*:\/\/trello.com\/*"
            ],
            "run_at": "document_start"
        },
        {
            "css": [
                "css\/style.css"
            ],
            "matches": [
                "*:\/\/trello.com\/*"
            ],
            "run_at": "document_end"
        }
    ],
    "icons": {
        "16": "img\/192.png",
        "32": "img\/192.png",
        "48": "img\/192.png",
        "64": "img\/192.png",
        "256": "img\/256.png"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "img\/buttonIcon.png",
                "img\/buttonIconOff.png",
                "img\/expand.svg"
            ],
            "matches": []
        }
    ],
    "background": {
        "service_worker": "js\/background.js"
    },
    "action": {
        "default_title": "List Highlighter",
        "default_popup": "popup.html",
        "default_icon": "img\/buttonIcon.png"
    }
}