Page Grid Ruler

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "version": "0.1.2",
    "name": "Page Grid Ruler",
    "description": "Draw a grid view, get page dimensions in pixel (px) unit and draw a rule",
    "offline_enabled": true,
    "permissions": [
        "storage",
        "contextMenus",
        "activeTab",
        "scripting"
    ],
    "homepage_url": "https:\/\/webextension.org\/listing\/page-ruler.html",
    "icons": {
        "16": "\/data\/icons\/16.png",
        "32": "\/data\/icons\/32.png",
        "48": "\/data\/icons\/48.png",
        "64": "\/data\/icons\/64.png",
        "128": "\/data\/icons\/128.png",
        "256": "\/data\/icons\/256.png",
        "512": "\/data\/icons\/512.png"
    },
    "action": [],
    "background": {
        "service_worker": "worker.js"
    },
    "commands": {
        "_execute_action": []
    },
    "web_accessible_resources": [
        {
            "resources": [
                "\/data\/view\/index.html"
            ],
            "matches": [
                "*:\/\/*\/*"
            ]
        }
    ]
}