manifest.json

{
    "manifest_version": 3,
    "name": "Vine++",
    "version": "0.4",
    "description": "A little helper extension for Amazon Vine users",
    "author": "Daniel Glazman",
    "icons": {
        "128": "128.png"
    },

    "permissions": ["storage", "webNavigation"],
    "background": {
        "service_worker": "background.js"
    },
    "action": {},
    "content_scripts": [
        {
            "matches": [
              "https://www.amazon.fr/vine/vine-items*"
              , "https://www.amazon.com/vine/vine-items*"
              , "https://www.amazon.de/vine/vine-items*"
              , "https://www.amazon.es/vine/vine-items*"
              , "https://www.amazon.co.uk/vine/vine-items*"
            ],
            "js": ["content.js"]
        }
    ]
}