Page Grayscale Toggle

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Page Grayscale Toggle",
    "description": "\ud398\uc774\uc9c0 \uc6b0\uce21 \ud558\ub2e8\uc5d0 \ub5a0\uc788\ub294 \ubc84\ud2bc\uc73c\ub85c \ud751\ubc31\/\uceec\ub7ec \ubaa8\ub4dc\ub97c \uc804\ud658\ud569\ub2c8\ub2e4.",
    "version": "1.0",
    "icons": {
        "16": "icons\/icon16.png",
        "32": "icons\/icon32.png",
        "48": "icons\/icon48.png",
        "128": "icons\/icon128.png"
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "content.js"
            ],
            "run_at": "document_idle"
        }
    ]
}