Examine source code of nbundle - App Store for Notion

{
  "manifest_version": 2,
  "name": "nbundle - App Store for Notion",
  "description": "App Store for Notion. All apps live inside your Notion. You don't have to open another app or browser tab to use them. Just Notion.",
  "icons": {
    "16": "/icon16.png",
    "32": "/icon32.png",
    "48": "/icon48.png",
    "128": "/icon128.png"
  },
  "permissions": [
    "https://www.notion.so/*",
    "https://www.nbundle.com/*",
    "https://addons.mozilla.org/*",
    "https://cognito-idp.us-east-1.amazonaws.com/us-east-1_vyko9GkMG/*",
    "storage",
    "cookies",
    "management"
  ],
  "background": {
    "scripts": [
      "scripts/worker.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.notion.so/*"
      ],
      "js": [
        "scripts/content.js"
      ]
    }
  ],
  "version": "1.0.109",
  "browser_specific_settings": {
    "gecko": {
      "id": "{9615ccf5-d6c8-478a-a46c-500d40d6dce2}"
    }
  }
}