Examine source code of ContinueGPT

{
  "manifest_version": 3,
  "name": "ContinueGPT",
  "version": "1.0.1",
  "description": "Adds a 'Continue response' button to the OpenAI ChatGPT website.",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9302db89-4909-4553-a87b-38c7994882fc}"
    }
  }
}