Examine source code of ScrollTrack Progress

{
  "manifest_version": 3,
  "name": "ScrollTrack Progress",
  "version": "1.0",
  "description": "Adds a discreet progress bar to the top or bottom of the browser window, indicating how far down the user has scrolled on a web page, enhancing readability and content consumption.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "scrolltrack_progress.png"
  },
  "icons": {
    "128": "scrolltrack_progress.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "lashawn7farrellhtc490@hotmail.com"
    }
  }
}