manifest.json

{
    "manifest_version": 3,
    "name": "Sort by price per unit - Maltasupermarket.com",
    "version": "0.0.0",
    "description": "Enables the ability to sort by price per unit on maltasupermarket.com",
    "icons": {
        "16": "16x16.png",
        "48": "48x48.png",
        "128": "128x128.png"
    },
    "action": {
        "default_icon": {
            "24": "24x24.png",
            "32": "32x32.png"
        },
        "default_title": "Sort by price per unit - Maltasupermarket.com",
        "default_popup": "popup.html"
    },
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "*://*.maltasupermarket.com/*",
                "*://maltasupermarket.com/*"
            ],
            "js": [
                "in-content.js"
            ]
        }
    ],
    "offline_enabled": true,
    "permissions": [
        "tabs",
        "storage"
    ]
}