release: fixes

### Fixes
- Fixed blueprint schema for Live Preview

Author: vytisbulkevicius

.wordpress-org/blueprints/blueprint.json

@@ -1,25 +1,20 @@
 {
     "$schema": "https://playground.wordpress.net/blueprint-schema.json",
-	"_comment1": "Set the Wizard Setup page as landing page with preview environment (which disable distractions)",
     "landingPage": "/wp-admin/admin.php?page=visualizer-setup-wizard&env=preview",
-    "_comment2": "Preferred WordPress instance specifications",
     "preferredVersions": {
         "php": "8.0",
         "wp": "latest"
     },
     "features": {
-        "_comment3.1": "Allow networking for internet access",
         "networking": true
     },
     "steps": [
         {
-            "_comment4.1": "Login to the WordPress instance",
             "step": "login",
             "username": "admin",
             "password": "password"
         },
         {
-            "_comment4.2": "Install the Visualizer plugin",
             "step": "installPlugin",
             "pluginZipFile": {
                 "resource": "wordpress.org/plugins",

CONTRIBUTING.md

@@ -433,3 +433,6 @@ Examples:
 - https://github.com/johnbillion/user-switching/blob/d26e982fc1389fff24e6d6572e238066e2b056d2/.wordpress-org/blueprints/blueprint.json
 - https://github.com/10up/ads-txt/blob/ef95e10f5a9973aaf4cad773e8e78aafd03af059/.wordpress-org/blueprints/blueprint.json
 - https://github.com/janw-me/default-featured-image/blob/de4d226216105f3d8c573dfbf28bbba89330286e/.wordpress-org/blueprints/blueprint.json
+
+> [!NOTE]
+> Make sure to respect the [schema](https://github.com/WordPress/wordpress-playground/blob/trunk/packages/playground/blueprints/public/blueprint-schema.json). You can validate your blueprint using a schema validator: [online](https://www.jsonschemavalidator.net/), [CLI](https://ajv.js.org/packages/ajv-cli.html)