Steam card exchange assistant

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Steam card exchange assistant",
    "description": "Generation a exchange offer for steam cards",
    "version": "1.0.3",
    "icons": {
        "16": "icon16.png",
        "48": "icon48.png",
        "128": "icon128.png"
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/steamcommunity.com\/*"
            ],
            "js": [
                "content.js"
            ]
        }
    ],
    "permissions": [
        "storage"
    ],
    "browser_action": {
        "default_popup": "popup.html"
    }
}