Implement video processing module with FFmpeg conversion, OpenCV metadata extraction, and file system repository

- Added FFmpegVideoConverter for video format conversion using FFmpeg.
- Implemented NoOpVideoConverter for scenarios where FFmpeg is unavailable.
- Created OpenCVMetadataExtractor for extracting video metadata.
- Developed FileSystemVideoRepository for managing video files in the file system.
- Integrated video services with dependency injection in VideoModule.
- Established API routes for video management and streaming.
- Added request/response schemas for video metadata and streaming information.
- Implemented caching mechanisms for video streaming.
- Included error handling and logging throughout the module.

usda_vision_system/video/presentation/__init__.py

@@ -0,0 +1,18 @@
+"""
+Video Presentation Layer.
+
+Contains HTTP controllers, request/response models, and API route definitions.
+"""
+
+from .controllers import VideoController, StreamingController
+from .schemas import VideoInfoResponse, VideoListResponse, StreamingInfoResponse
+from .routes import create_video_routes
+
+__all__ = [
+    "VideoController",
+    "StreamingController",
+    "VideoInfoResponse",
+    "VideoListResponse", 
+    "StreamingInfoResponse",
+    "create_video_routes",
+]