Update README.md to include comprehensive documentation for ThinkPHP 8, featuring installation instructions, new features, sponsorship details, and links to resources.

config/filesystem.php

@@ -0,0 +1,24 @@
+<?php
+
+return [
+    // 默认磁盘
+    'default' => 'local',
+    // 磁盘列表
+    'disks'   => [
+        'local'  => [
+            'type' => 'local',
+            'root' => app()->getRuntimePath() . 'storage',
+        ],
+        'public' => [
+            // 磁盘类型
+            'type'       => 'local',
+            // 磁盘路径
+            'root'       => app()->getRootPath() . 'public/storage',
+            // 磁盘路径对应的外部URL路径
+            'url'        => '/storage',
+            // 可见性
+            'visibility' => 'public',
+        ],
+        // 更多的磁盘配置信息
+    ],
+];