Examine source code of Better NYTC

{
  "manifest_version": 2,
  "name": "Better NYTC",
  "version": "1.4.0",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.nytimes.com/crosswords/game/*"
      ],
      "js": [
        "betternytc.js"
      ],
      "css": [
        "betternytc.css"
      ]
    },
    {
      "matches": [
        "*://www.nytimes.com/games/connections*",
        "*://www.nytimes.com/puzzles/letter-boxed*",
        "*://www.nytimes.com/games/pips*",
        "*://www.nytimes.com/puzzles/spelling-bee*",
        "*://www.nytimes.com/games/strands*",
        "*://www.nytimes.com/puzzles/sudoku*",
        "*://www.nytimes.com/puzzles/tiles*"
      ],
      "js": [
        "othergames.js"
      ],
      "css": [
        "othergames.css"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8e3b717c-3ca3-41cd-84f3-2eb4267d49c8}"
    }
  }
}