Examine source code of Black Web UI for ChatGPT

{
  "manifest_version": 2,
  "name": "ChatGPT-WebUI-Black",
  "version": "1.3",
  "description": "Black theme for ChatGPT WebUI",
  "icons": {},
  "content_scripts": [
    {
      "matches": [
        "*://chat.openai.com/chat",
        "*://chat.openai.com/chat/*"
      ],
      "js": [
        "GPTChat_Black.js"
      ]
    },
    {
      "matches": [
        "*://chat.openai.com/auth/login"
      ],
      "js": [
        "GPTChat_BlackLogin.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{44df8ef7-e8a4-4add-b518-2f41b9713a74}"
    }
  }
}