Add comprehensive test suite for USDA Vision Camera System

- Implemented main test script to verify system components and functionality.
- Added individual test scripts for camera exposure settings, API changes, camera recovery, maximum FPS, MQTT events, logging, and timezone functionality.
- Created service file for system management and automatic startup.
- Included detailed logging and error handling in test scripts for better diagnostics.
- Ensured compatibility with existing camera SDK and API endpoints.

usda_vision_system/camera/monitor.py

@@ -12,8 +12,8 @@ import logging
 import contextlib
 from typing import Dict, List, Optional, Any
 
-# Add python demo to path
-sys.path.append(os.path.join(os.path.dirname(__file__), "..", "..", "python demo"))
+# Add camera SDK to path
+sys.path.append(os.path.join(os.path.dirname(__file__), "..", "..", "camera_sdk"))
 import mvsdk
 
 from ..core.config import Config