feat: Add thumbnail generation feature and update media model

- Updated workspace members to include `libertas_importer`.
- Added a new migration to add `thumbnail_path` column to `media` table.
- Enhanced configuration structures to include `thumbnail_config`.
- Modified `Media` model to include `thumbnail_path`.
- Updated `MediaRepository` trait and its implementation to handle thumbnail path updates.
- Created `ThumbnailPlugin` for generating thumbnails based on media configurations.
- Integrated thumbnail generation into the media processing workflow.
- Updated dependencies in `libertas_worker` and `libertas_importer` for image processing.

libertas_api/src/config.rs

@@ -20,5 +20,6 @@ pub fn load_config() -> CoreResult<Config> {
             "created_at".to_string(),
             "original_filename".to_string(),
         ]),
+        thumbnail_config: None,
     })
 }

libertas_api/src/services/media_service.rs

@@ -260,6 +260,7 @@ impl MediaServiceImpl {
             width: None,
             height: None,
             date_taken: None,
+            thumbnail_path: None,
         };
 
         self.repo.create(&media_model).await?;