LandTech Extras WordPress Playground blueprint (GPL-2.0-or-later)
Source: Bundled with landtech-extras-for-elementor.
Used by: WordPress Playground live preview (playground.wordpress.net?blueprint-url=).

blueprint.json — installs Elementor + this plugin and seeds demo pages.
.htaccess — repo-only Apache CORS helper (not in the WordPress.org zip).
  Playground fetches this JSON from a public URL; set Access-Control-Allow-Origin
  on the host (or this file when deploying from git) so browsers can read it.
