manifest.json

{
    "name": "Duo Explained",
    "description": "Get explanations for exercises on Duolingo using OpenAI's ChatGPT.",
    "version": "0.0.4",
    "manifest_version": 3,
    "icons": {
        "16":  "/images/logo/logo_16x16.png",
        "32":  "/images/logo/logo_32x32.png",
        "48":  "/images/logo/logo_48x48.png",
        "128":  "/images/logo/logo_128x128.png"
    },
    "background": {
        "service_worker": "scripts/background.js"
    },
	"content_scripts": [
		{
			"matches": [
                "https://duolingo.com/*",
                "https://www.duolingo.com/*",
                "https://preview.duolingo.com/*"
            ],
			"js": [
                "scripts/settings.js",

                "scripts/content/utils.js",
                "scripts/content/theme.js", 
                "scripts/content/essential.js",
                "scripts/content/settings.js",

                "lib/swiped-events.min.js",
                "lib/showdown.min.js",
                "lib/purify.min.js",

                "scripts/content/lesson/parser.js",
                "scripts/content/lesson/answer.js",
                "scripts/content/lesson/challenge.js",
                "scripts/content/lesson/lesson.js"
            ],
			"css": [
                "styles/styles.css",
                "styles/settings.css"
            ]
		}
	],
    "web_accessible_resources": [
        {
            "resources": ["scripts/content/duo.js"],
            "matches": ["https://duolingo.com/*", "https://www.duolingo.com/*", "https://preview.duolingo.com/*"]
        }
    ],
    "action": {
        "default_popup": "popup/home.html"
    },
    "permissions": [
        "scripting",
        "storage",
        "clipboardRead"
    ],
    "host_permissions": [
        "https://duolingo.com/*",
        "https://www.duolingo.com/*",
        "https://preview.duolingo.com/*"
    ]
}