Examine source code of Houdin

{
  "manifest_version": 3,
  "name": "Houdin",
  "description": "Browser automation that feels like magic. Inject code, run scripts, and automate tasks with a user-friendly interface.",
  "browser_specific_settings": {
    "gecko": {
      "id": "help@houdin.dev"
    }
  },
  "permissions": [
    "alarms",
    "clipboardRead",
    "clipboardWrite",
    "cookies",
    "scripting",
    "storage",
    "tabs",
    "unlimitedStorage",
    "webNavigation",
    "webRequest"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "src/popup/index.html",
    "default_title": "Houdin"
  },
  "options_page": "src/config/index.html",
  "background": {
    "scripts": [
      "src/background/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/content/content.js",
        "src/content/elementSelector.js"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "version": "5.6.0",
  "optional_permissions": [
    "userScripts"
  ]
}