Examine source code of Cohesion Redirector

{
  "manifest_version": 2,
  "name": "Cohesion Redirector",
  "version": "1.3",
  "description": "Redirects Notion URLs to the Cohesion desktop app.",
  "permissions": [
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{39fc3354-776e-4b4c-b7ad-21e5b570a563}"
    }
  }
}