Examine source code of Save GPT

{
  "name": "SaveGPT",
  "description": "Save your ChatGPT conversations",
  "icons": {
    "16": "icons/history.png",
    "32": "icons/history.png",
    "48": "icons/history.png",
    "128": "icons/history.png"
  },
  "manifest_version": 2,
  "version": "1.0.32",
  "permissions": [
    "storage",
    "webRequest",
    "activeTab",
    "https://chat.openai.com/*",
    "unlimitedStorage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "js": [
        "tooltip.js",
        "utils.js",
        "index.js"
      ],
      "css": [
        "index.css"
      ],
      "matches": [
        "https://chat.openai.com/chat"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "utils.js",
        "twitter.js"
      ],
      "matches": [
        "https://*.twitter.com/*"
      ]
    }
  ],
  "web_accessible_resources": [
    "icons/*",
    "download.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c127ed51-e12a-4cc7-872c-78715a434467}"
    }
  }
}