Examine source code of Fabs Auto Reloader

{
  "manifest_version": 3,
  "name": "Fabs Auto Reloader",
  "version": "1.5",
  "browser_specific_settings": {
    "gecko": {
      "id": "fabs-auto-reloader@mixed.world"
    }
  },
  "description": "Enables timed, automatic reloading for specific tabs.",
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "contextMenus"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Fabs Auto Reloader",
    "default_area": "navbar",
    "default_icon": {
      "32": "icons/reloader-disabled_32px.png",
      "64": "icons/reloader-disabled_64px.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "64": "icons/reloader-disabled_64px.png"
  }
}