manifest.json

{
    "manifest_version": 3,
    "name": "Copy with URL",
    "version": "1.1",
    "description": "Include a source URL when copying text to clipboard. Use ALT+C or right-click > 'Copy with URL'. The URL will be prepended to the copied selection.",
    "permissions": [
        "contextMenus",
        "scripting",
        "activeTab",
        "storage"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "commands": {
        "copy_with_url": {
            "suggested_key": {
                "default": "Alt+C"
            },
            "description": "Copy URL along with selected text."
        }
    },
    "options_page": "options.html",
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png",
        "128": "icon128.png"
    }
}