Chess.com Enhancement Suite

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Chess.com Enhancement Suite",
  "description": "Some additional features on the chess.com website; save the puzzles you failed in puzzle rush and replay them afterwards.",
  "version": "1.0",
  "browser_action": {
    "default_popup": "browser_action/chess.html",
    "default_icon": "browser_action/icon.png"
  },
  "icons": {
    "16": "icons/chess-icon16.png",
    "32": "icons/chess-icon32.png",
    "48": "icons/chess-icon48.png",
    "128": "icons/chess-icon128.png"
  },
  "permissions": [
    "activeTab",
    "declarativeContent",
    "storage",
    "tabs"
  ],
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "https://*.chess.com/tactics/*",
        "https://*.chess.com/puzzles/*"
      ],
      "js": [
        "js/jquery-3.3.1.min.js",
        "js/puzzlerush.js"
      ],
      "run_at": "document_idle"
    }
  ]
}