Calculator/Unit converter

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Calculator\/Unit converter",
    "version": "1.02",
    "description": "A calculator with result history, also includes a unit conversion feature that helps you to convert Length, Temperature, Mass.",
    "permissions": [
        "storage"
    ],
    "action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16": "images\/icon16.png",
            "48": "images\/icon48.png",
            "128": "images\/icon128.png"
        }
    },
    "icons": {
        "16": "images\/icon16.png",
        "48": "images\/icon48.png",
        "128": "images\/icon128.png"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "popup.css",
                "fonts\/Open_Sans\/static\/OpenSans-Bold.ttf",
                "fonts\/Open_Sans\/static\/OpenSans-SemiBold.ttf",
                "fonts\/Open_Sans\/static\/OpenSans-Medium.ttf",
                "fonts\/Open_Sans\/static\/OpenSans-Regular.ttf",
                "fonts\/Open_Sans\/static\/OpenSans-Light.ttf"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ],
    "content_security_policy": {
        "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:"
    }
}