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_worker/src/config.rs

@@ -1,25 +1 @@
-use libertas_core::{
-    config::{Config, DatabaseConfig, DatabaseType},
-    error::CoreResult,
-};
-
-pub fn load_config() -> CoreResult<Config> {
-    Ok(Config {
-        database: DatabaseConfig {
-            db_type: DatabaseType::Postgres,
-            url: "postgres://libertas:libertas_password@localhost:5436/libertas_db".to_string(),
-        },
-        server_address: "127.0.0.1:8080".to_string(),
-        jwt_secret: "super_secret_jwt_key".to_string(),
-        media_library_path: "media_library".to_string(),
-        broker_url: "nats://localhost:4222".to_string(),
-        max_upload_size_mb: Some(100),
-        default_storage_quota_gb: Some(10),
-        allowed_sort_columns: Some(vec![
-            "date_taken".to_string(),
-            "created_at".to_string(),
-            "original_filename".to_string(),
-        ]),
-        thumbnail_config: None,
-    })
-}
+pub use libertas_core::config::load_config;