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_infra/src/factory.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use libertas_core::{
-    config::{Config, DatabaseConfig, DatabaseType},
+    config::{AppConfig, DatabaseConfig, DatabaseType},
     error::{CoreError, CoreResult},
     repositories::UserRepository,
 };
@@ -47,7 +47,7 @@ pub async fn build_user_repository(
 }
 
 pub async fn build_media_repository(
-    config: &Config,
+    config: &AppConfig,
     pool: DatabasePool,
 ) -> CoreResult<Arc<dyn libertas_core::repositories::MediaRepository>> {
     match pool {