Add example for installing via composer

Author: RobiNN1

example_embedded_version.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Example: embedding phpCacheAdmin in your own website when installed via Composer.
+ */
+
+declare(strict_types=1);
+
+use RobiNN\Pca\Admin;
+use RobiNN\Pca\Config;
+
+require __DIR__.'/../vendor/autoload.php';
+
+/*
+ * Configuration. Either:
+ *   - copy vendor/robinn/phpcacheadmin/config.dist.php to phpcacheadmin.config.php and set 'pcapath' & 'url', or
+ *   - set them in a .env file (requires vlucas/phpdotenv).
+ *
+ * 'pcapath' => '/assets/phpcacheadmin/', // where the assets (css, js, icons) are served from
+ * 'url'     => '/phpcacheadmin',         // where this script is mounted
+ *
+ * Keep the config file outside vendor/ so Composer updates never overwrite it.
+ */
+Config::setConfigPath(__DIR__.'/phpcacheadmin.config.php');
+Config::loadDotenv(__DIR__); // Only needed for the .env option (requires vlucas/phpdotenv).
+
+/*
+ * Authentication is optional - you'll usually place the dashboard behind your website's own secured route.
+ * If you don't, enable the built-in auth by uncommenting the line below and setting `authusers` in the config.
+ */
+//RobiNN\Pca\Auth::check();
+
+echo (new Admin())->render();

src/Config.php

@@ -35,7 +35,7 @@ public static function reset(): void {
     /**
      * Load environment variables from .env files.
      *
-     * Requires vlucas/phpdotenv (composer require vlucas/phpdotenv).
+     * Requires vlucas/phpdotenv.
      *
      * Real environment variables (e.g., set by Docker) always take precedence over the values defined in .env files.
      */