Examine source code of Pixel Start

{
  "manifest_version": 2,
  "name": "Pixel Start",
  "version": "2.2",
  "description": "A beautiful, customizable TUI-style new tab dashboard with widgets, themes, and more.",
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "pixelstart@straightheart.dev",
      "strict_min_version": "109.0"
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self';"
}