Update Mediterranean Garden example settings

Changed Mediterranean Garden example:
- URL: Calendar event → https://www.google.com
- Input type: Plain Text → URL
- Image size: 1024 → 704

Note: Example image also updated (separate commit)

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

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

app.py

@@ -2740,9 +2740,9 @@ if __name__ == "__main__" and not os.environ.get("QR_TESTING_MODE"):
             "image": "examples/artistic/mediterranean_garden.jpg",
             "label": "Mediterranean Garden",
             "prompt": "ancient stone sundial in Mediterranean garden, olive trees, dappled sunlight through leaves, weathered stone texture, peaceful afternoon scene, photorealistic, detailed, 8k, ultra detailed",
-            "text_input": "BEGIN:VEVENT\\nSUMMARY:Team Meeting\\nDTSTART:20251115T140000Z\\nDTEND:20251115T150000Z\\nLOCATION:Conference Room A\\nEND:VEVENT",
-            "input_type": "Plain Text",
-            "image_size": 1024,
+            "text_input": "https://www.google.com",
+            "input_type": "URL",
+            "image_size": 704,
             "border_size": 6,
             "error_correction": "High (30%)",
             "module_size": 14,