Examine source code of The Crew Mate

{
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "libs/jquery-3.6.0.min.js",
        "crewmate.js"
      ],
      "matches": [
        "https://boardgamearena.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "description": "Improves the user interface when playing The Crew on boardgamearena.com",
  "icons": {
    "48": "image-48.png",
    "128": "image-128.png"
  },
  "applications": {
    "gecko": {
      "id": "crewmate@autocardanywhere.com"
    }
  },
  "manifest_version": 2,
  "name": "The Crew Mate",
  "short_name": "CrewMate",
  "version": "0.0.11",
  "web_accessible_resources": [
    "crewmate.css",
    "crewmate.js"
  ]
}