feat(blueprint): setup blueprint for playground

.distignore

@@ -6,6 +6,8 @@
 /src
 /tests
 /.wp-env
+# Keep .wordpress-org/blueprints in release tags so Playground git:directory
+# installs (and WordPress.org Live Preview) can bootstrap the demo.
 
 # Configuration files
 .distignore

.gitattributes

@@ -4,6 +4,7 @@
 /node_modules export-ignore
 /src export-ignore
 /.wp-env export-ignore
+/.wordpress-org export-ignore
 
 # Configuration files
 /.distignore export-ignore

.wordpress-org/blueprints/blueprint.json

@@ -0,0 +1,32 @@
+{
+	"$schema": "https://playground.wordpress.net/blueprint-schema.json",
+	"landingPage": "/blockparty-icons-demo/",
+	"preferredVersions": {
+		"php": "8.1",
+		"wp": "latest"
+	},
+	"steps": [
+		{
+			"step": "installPlugin",
+			"pluginData": {
+				"resource": "git:directory",
+				"url": "https://github.com/BeAPI/blockparty-icons",
+				"ref": "1.1.2",
+				"refType": "tag"
+			},
+			"options": {
+				"activate": true,
+				"targetFolderName": "blockparty-icons"
+			}
+		},
+		{
+			"step": "login",
+			"username": "admin",
+			"password": "password"
+		},
+		{
+			"step": "runPHP",
+			"code": "<?php\nrequire_once 'wordpress/wp-load.php';\nrequire_once WP_PLUGIN_DIR . '/blockparty-icons/.wordpress-org/blueprints/bootstrap-playground.php';\n?>"
+		}
+	]
+}

.wordpress-org/blueprints/bootstrap-playground.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * WordPress Playground bootstrap for Blockparty Icons.
+ *
+ * @package Blockparty\Icons
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+$plugin_dir = WP_PLUGIN_DIR . '/blockparty-icons';
+$mu_src     = $plugin_dir . '/.wordpress-org/blueprints/mu-plugin/blockparty-icons-playground.php';
+$mu_dest    = WP_CONTENT_DIR . '/mu-plugins/blockparty-icons-playground.php';
+
+if ( ! is_dir( WP_CONTENT_DIR . '/mu-plugins' ) ) {
+	wp_mkdir_p( WP_CONTENT_DIR . '/mu-plugins' );
+}
+
+if ( is_readable( $mu_src ) ) {
+	copy( $mu_src, $mu_dest );
+}
+
+$content_file = $plugin_dir . '/.wordpress-org/blueprints/demo-page-content.html';
+$page_content = is_readable( $content_file ) ? file_get_contents( $content_file ) : '';
+
+if ( '' === $page_content ) {
+	echo 'Demo page content file missing.';
+	return;
+}
+
+$page_id = wp_insert_post(
+	[
+		'post_title'   => 'Blockparty Icons',
+		'post_name'    => 'blockparty-icons-demo',
+		'post_content' => $page_content,
+		'post_status'  => 'publish',
+		'post_type'    => 'page',
+	]
+);
+
+echo 'Page created with ID: ' . (int) $page_id;

.wordpress-org/blueprints/demo-page-content.html

@@ -0,0 +1,21 @@
+<!-- wp:paragraph -->
+<p>This page demonstrates the <strong>Blockparty Icon</strong> block with icons from the <a href="https://wordpress.github.io/gutenberg/?path=/story/icons-icon--library">WordPress Gutenberg icon library</a>. Use the block inserter to pick from the <em>WordPress icons</em> collection.</p>
+<!-- /wp:paragraph -->
+
+<!-- wp:spacer {"height":"var:preset|spacing|40"} -->
+<div style="height:var(--wp--preset--spacing--40)" aria-hidden="true" class="wp-block-spacer"></div>
+<!-- /wp:spacer -->
+
+<!-- wp:blockparty/icon {"icon":{"collection":"gutenberg-icons","name":"home","label":"Home","type":"raw"},"size":48} /-->
+
+<!-- wp:spacer {"height":"var:preset|spacing|30"} -->
+<div style="height:var(--wp--preset--spacing--30)" aria-hidden="true" class="wp-block-spacer"></div>
+<!-- /wp:spacer -->
+
+<!-- wp:blockparty/icon {"icon":{"collection":"gutenberg-icons","name":"star-filled","label":"Star","type":"raw"},"size":32,"iconColor":"#2271b1"} /-->
+
+<!-- wp:spacer {"height":"var:preset|spacing|30"} -->
+<div style="height:var(--wp--preset--spacing--30)" aria-hidden="true" class="wp-block-spacer"></div>
+<!-- /wp:spacer -->
+
+<!-- wp:blockparty/icon {"icon":{"collection":"gutenberg-icons","name":"link","label":"Link","type":"raw"},"size":32} /-->