Examine source code of Popup Chat GPT

{
  "manifest_version": 3,
  "name": "Popup Chat GPT",
  "version": "1.1",
  "description": "It allows to popup Chat GPT with selected text and some custom prompts.",
  "permissions": [
    "storage",
    "contextMenus"
  ],
  "icons": {
    "32": "icons/32.png",
    "48": "icons/48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "popupgpt@devadam.pl"
    }
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/?popup=true"
      ],
      "js": [
        "scripts/com.openai.chat.js"
      ]
    }
  ],
  "action": {
    "default_popup": "https://chat.openai.com/?popup=true",
    "default_icon": {
      "32": "icons/32.png"
    }
  },
  "options_ui": {
    "page": "options.html"
  }
}