Examine source code of OBS Studio Integration

{
  "manifest_version": 2,
  "name": "OBS Studio Integration",
  "version": "1.0",
  "description": "Integrate OBS Studio controls into your browser.",
  "permissions": [
    "storage",
    "activeTab",
    "http://localhost:4455/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d4387bdd-cc79-4a94-8513-3bfd1d3fd2e5}"
    }
  }
}