Change video storage directory from /storage to /mnt/nfs_share

- Update StorageConfig default base_path in core/config.py
- Update base_path and camera storage_paths in config.json and config.compose.json
- Update Docker Compose volume mounts to use /mnt/nfs_share
- Update start_system.sh to create /mnt/nfs_share directory
- Update convert_avi_to_mp4.sh to use new NFS path
- Update all documentation files to reflect new storage paths
- Videos now stored on NFS server at 192.168.1.249:/mnt/nfs_share/

management-dashboard-web-app/API Documentations/docs/CURRENT_CONFIGURATION.md

@@ -121,7 +121,7 @@ This document shows the exact current configuration structure of the USDA Vision
 ### Storage Settings
 | Field | Value | Description |
 |-------|-------|-------------|
-| `base_path` | `"/storage"` | Root storage directory |
+| `base_path` | `"/mnt/nfs_share"` | Root storage directory |
 | `max_file_size_mb` | `1000` | Maximum file size (1GB) |
 | `max_recording_duration_minutes` | `60` | Maximum recording duration |
 | `cleanup_older_than_days` | `30` | Auto-cleanup threshold |
@@ -144,7 +144,7 @@ This document shows the exact current configuration structure of the USDA Vision
 | **Basic Settings** | | |
 | `name` | `"camera1"` | Camera identifier |
 | `machine_topic` | `"blower_separator"` | MQTT topic to monitor |
-| `storage_path` | `"/storage/camera1"` | Video storage location |
+| `storage_path` | `"/mnt/nfs_share/camera1"` | Video storage location |
 | `exposure_ms` | `0.3` | Exposure time (milliseconds) |
 | `gain` | `4.0` | Camera gain multiplier |
 | `target_fps` | `0` | Target FPS (0 = unlimited) |