Examine source code of Prompt Map

{
  "name": "GPT History Navigator",
  "description": "Navigate your ChatGPT conversation history with a handy sidebar and instantly teleport to any chat.",
  "author": "Heesoo",
  "version": "1.0.1",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "prompt-map@heesoo.extension"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://chatgpt.com/*"
      ],
      "js": [
        "content_script.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs"
  ],
  "host_permissions": [
    "*://chatgpt.com/*"
  ]
}