Move examples to server directory (#198)

* move examples to server directory

This will prepare for the client implementation in https://github.com/modelcontextprotocol/php-sdk/pull/192

* fix move bootstrap too

examples/complex-tool-schema/McpEventScheduler.php

@@ -1,72 +0,0 @@
-<?php
-
-/*
- * This file is part of the official PHP MCP SDK.
- *
- * A collaboration between Symfony and the PHP Foundation.
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Mcp\Example\ComplexToolSchema;
-
-use Mcp\Capability\Attribute\McpTool;
-use Mcp\Example\ComplexToolSchema\Model\EventPriority;
-use Mcp\Example\ComplexToolSchema\Model\EventType;
-use Psr\Log\LoggerInterface;
-
-final class McpEventScheduler
-{
-    public function __construct(
-        private readonly LoggerInterface $logger,
-    ) {
-    }
-
-    /**
-     * Schedules a new event.
-     * The inputSchema for this tool will reflect all parameter types and defaults.
-     *
-     * @param string        $title       the title of the event
-     * @param string        $date        the date of the event (YYYY-MM-DD)
-     * @param EventType     $type        the type of event
-     * @param string|null   $time        the time of the event (HH:MM), optional
-     * @param EventPriority $priority    The priority of the event. Defaults to Normal.
-     * @param string[]|null $attendees   an optional list of attendee email addresses
-     * @param bool          $sendInvites send calendar invites to attendees? Defaults to true if attendees are provided
-     *
-     * @return array<string, mixed> confirmation of the scheduled event
-     */
-    #[McpTool(name: 'schedule_event')]
-    public function scheduleEvent(
-        string $title,
-        string $date,
-        EventType $type,
-        ?string $time = null,
-        EventPriority $priority = EventPriority::Normal,
-        ?array $attendees = null,
-        bool $sendInvites = true,
-    ): array {
-        $this->logger->info("Tool 'schedule_event' called", compact('title', 'date', 'type', 'time', 'priority', 'attendees', 'sendInvites'));
-
-        // Simulate scheduling logic
-        $eventDetails = [
-            'title' => $title,
-            'date' => $date,
-            'type' => $type->value, // Use enum value
-            'time' => $time ?? 'All day',
-            'priority' => $priority->name, // Use enum name
-            'attendees' => $attendees ?? [],
-            'invites_will_be_sent' => ($attendees && $sendInvites),
-        ];
-
-        // In a real app, this would interact with a calendar service
-        $this->logger->info('Event scheduled', ['details' => $eventDetails]);
-
-        return [
-            'success' => true,
-            'message' => \sprintf('Event "%s" scheduled successfully for "%s".', $title, $date),
-            'event_details' => $eventDetails,
-        ];
-    }
-}