Add blueprint for live preview

.wordpress-org/blueprints/blueprint.json

@@ -0,0 +1,36 @@
+{
+  "$schema": "https://playground.wordpress.net/blueprint-schema.json",
+  "landingPage": "/wp-admin/themes.php?page=wp-widget-disable",
+  "preferredVersions": {
+    "php": "8.1",
+    "wp": "latest"
+  },
+  "features": {
+    "networking": true
+  },
+  "steps": [
+    {
+      "step": "login"
+    },
+    {
+      "step": "installPlugin",
+      "pluginData": {
+        "resource": "wordpress.org/plugins",
+        "slug": "wp-widget-disable"
+      },
+      "options": {
+        "activate": true
+      }
+    },
+    {
+      "step": "runPHP",
+      "code": "<?php require_once 'wordpress/wp-load.php'; update_option( 'rplus_wp_widget_disable_dashboard_option', [ 'dashboard_welcome_panel' => 'normal', 'dashboard_quick_press' => 'side' ] ); update_option( 'rplus_wp_widget_disable_sidebar_option', [ 'WP_Widget_Meta' => 'disabled' ] );  ?>"
+    },
+    {
+      "step": "setSiteOptions",
+      "options": {
+        "blogname": "Widget Disable Demo"
+      }
+    }
+  ]
+}