feat: Add Koriym.FileUpload as suggested dependency

- Add koriym/file-upload to composer.json suggests section
- Enables optional file upload functionality integration

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: koriym

composer.json

@@ -12,9 +12,13 @@
         "php": "^8.1",
         "ray/di": "^2.18"
     },
+    "suggest": {
+        "koriym/file-upload": "For file upload handling integration"
+    },
     "require-dev": {
         "bamarni/composer-bin-plugin": "^1.8",
-        "phpunit/phpunit": "^10.5"
+        "phpunit/phpunit": "^10.5",
+        "koriym/file-upload": "^0.2.0"
     },
     "autoload": {
         "psr-4": {