Examine source code of VibeTab

{
  "manifest_version": 3,
  "name": "VibeTab",
  "version": "1.0.0",
  "description": "Chill vibes with abstract animated graphics on every new tab",
  "author": "Greitas Kodas",
  "homepage_url": "https://vibetab.space",
  "minimum_chrome_version": "88",
  "permissions": [
    "storage"
  ],
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "vibetab@vibetab.space",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "VibeTab Settings"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}