Examine source code of LichessReQuote

{
  "manifest_version": 2,
  "name": "LichessReQuote",
  "version": "1.1",
  "description": "This extension will replace the quotes under Lichess tournaments with less boring ones.",
  "icons": {
    "48": "res/icon-48.jpg",
    "96": "res/icon-96.jpg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.lichess.org/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe584d5c-ac7a-49af-a449-7d01e48eb6a6}"
    }
  }
}