Examine source code of BotC Sound Replacer

{
  "manifest_version": 3,
  "version": "1.2.0",
  "name": "BotC Sound Replacer",
  "author": "Stuart Thomson",
  "description": "Replace sounds in the official Blood on the Clocktower app.",
  "icons": {
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "sounds/*.mp3"
      ],
      "matches": [
        "*://botc.app/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "*://botc.app/*"
      ],
      "js": [
        "content_scripts/content-0.js"
      ],
      "css": []
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{84f7241e-6440-4fec-ac17-067357043e84}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "109.0"
    }
  }
}