Examine source code of Veezn

{
  "manifest_version": 3,
  "name": "Veezn",
  "description": "Veezn is an open-source and minimalist in-browser media hub for your local web-compatible video files.",
  "version": "0.2.4",
  "action": {
    "default_icon": "./assets/app_icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "veezn@stoicbeaver.com"
    }
  },
  "background": {
    "scripts": [
      "./assets/main_service_worker.js"
    ],
    "type": "module"
  },
  "permissions": [
    "storage",
    "notifications",
    "alarms"
  ],
  "icons": {
    "512": "./assets/app_icon.png"
  }
}