style: apply cargo fmt to entire codebase

Standardize code formatting across all 173 Rust source files
using rustfmt. No functional changes - purely cosmetic.

This establishes a consistent code style baseline for the
project going forward.

src/interfaces/api/handlers/mod.rs

@@ -1,19 +1,19 @@
 pub mod admin_handler;
-pub mod file_handler;
-pub mod folder_handler;
-pub mod i18n_handler;
-pub mod batch_handler;
 pub mod auth_handler;
-pub mod trash_handler;
-pub mod search_handler;
-pub mod share_handler;
-pub mod favorites_handler;
-pub mod recent_handler;
-pub mod webdav_handler;
+pub mod batch_handler;
 pub mod caldav_handler;
 pub mod carddav_handler;
 pub mod chunked_upload_handler;
 pub mod dedup_handler;
+pub mod favorites_handler;
+pub mod file_handler;
+pub mod folder_handler;
+pub mod i18n_handler;
+pub mod recent_handler;
+pub mod search_handler;
+pub mod share_handler;
+pub mod trash_handler;
+pub mod webdav_handler;
 
 /// Tipo de resultado para controladores de API
-pub type ApiResult<T> = Result<T, (axum::http::StatusCode, String)>;
+pub type ApiResult<T> = Result<T, (axum::http::StatusCode, String)>;