manifest.json

{
    "manifest_version": 3,
    "name": "Followed By",
    "description": "Followed By uses GitHub’s public API to fetch mutual followers for every profile you visit, straight to the profile page!",
    "version": "1.0.1",
    "icons": {
        "16": "assets/16.png",
        "32": "assets/32.png",
        "48": "assets/48.png",
        "128": "assets/128.png"
    },
    "content_scripts": [
        {
            "matches": ["https://github.com/*", "https://github.com/*?tab=*"],
            "exclude_matches": [
                "https://github.com/*/*",
                "https://github.com/"
            ],
            "js": ["content.js"]
        }
    ],
    "permissions": ["storage"],
    "background": { "service_worker": "background.js" },
    "web_accessible_resources": [
        {
            "resources": [
                "src/app.js",
                "src/utils/api.js",
                "src/utils/storage.js",
                "src/utils/aggregators.js",
                "src/utils/views.js"
            ],
            "matches": ["https://github.com/*"],
            "use_dynamic_url": true
        }
    ]
}