feat: enhance media management with EXIF data extraction, metadata filtering, and storage path generation

refactor: update configuration handling to use environment variables and improve code organization

libertas_core/src/models.rs

@@ -145,3 +145,9 @@ pub struct AlbumShare {
     pub user_id: uuid::Uuid,
     pub permission: AlbumPermission,
 }
+
+
+pub struct MediaBundle {
+    pub media: Media,
+    pub metadata: Vec<MediaMetadata>,
+}