manifest.json

{
    "manifest_version": 3,
    "name": "Tenhou score pane",
    "version": "3.0.0",
    "description": "Adds a pane to the tenhou.net and ron2.jp clients (/3, /4) in-game which contains the score history of the hands in the current game",
    "host_permissions": [
        "https://tenhou.net/*",
        "https://ron2.jp/*"
    ],
  "icons": {
        "16": "icons/16.png",
        "32": "icons/32.png",
        "48": "icons/48.png",
        "128": "icons/128.png"
    },
    "permissions": [
        "storage"
    ],
    "content_scripts": [
        {
            "matches": [
                "*://tenhou.net/0*",
                "*://tenhou.net/4*",
                "*://tenhou.net/3*",
                "*://ron2.jp/3*"
            ],
            "js": [
                "jquery.js",
                "chart.js",
                "content.js"
            ],
            "css": [
                "content.css"
            ],
            "run_at": "document_idle"
        }
    ]
}