feat: Implement upscale functionality with ONNX models

- Added upscale operator to handle image upscaling by 4x using AI models.
- Introduced new jobs for upscale processing in the server, including debug and standard upscale jobs.
- Created a new ONNX model handler for upscale operations, supporting tiled inference and resource management.
- Updated tests to cover new upscale functionality, including input validation and output verification.
- Added documentation for the upscale feature, detailing usage and model options.

mkdocs.yml

@@ -20,6 +20,7 @@ nav:
       - Depth Plane: guide-depth-plane.md
       - Surface: guide-surface.md
       - 去除背景: remove-background.md
+      - 高清放大: upscale.md
       - 视频与序列帧: animation.md
       - 模型、设备与存储: models-and-storage.md
       - 常见问题: faq.md