Highlight HTML Headings

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Highlight HTML Headings",
    "description": "Vixen Digital tool to highlight HTML headings in a document.",
    "version": "1.0",
    "manifest_version": 3,
    "action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16": "\/assets\/images\/logo-16w.png",
            "32": "\/assets\/images\/logo-32w.png",
            "48": "\/assets\/images\/logo-48w.png",
            "128": "\/assets\/images\/logo-128w.png"
        }
    },
    "permissions": [
        "activeTab",
        "scripting"
    ],
    "icons": {
        "16": "\/assets\/images\/logo-16w.png",
        "32": "\/assets\/images\/logo-32w.png",
        "48": "\/assets\/images\/logo-48w.png",
        "128": "\/assets\/images\/logo-128w.png"
    }
}