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_api/src/state.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use libertas_core::{
-    config::Config,
+    config::AppConfig,
     services::{AlbumService, MediaService, UserService},
 };
 
@@ -14,5 +14,5 @@ pub struct AppState {
     pub album_service: Arc<dyn AlbumService>,
     pub token_generator: Arc<dyn TokenGenerator>,
     pub nats_client: async_nats::Client,
-    pub config: Config,
+    pub config: AppConfig,
 }