feat: Add RustFS Scanner Module and Multiple Bug Fixes (#1579)

crates/scanner/src/lib.rs

@@ -0,0 +1,33 @@
+// Copyright 2024 RustFS Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
+#![warn(
+    // missing_docs,
+    rustdoc::missing_crate_level_docs,
+    unreachable_pub,
+    rust_2018_idioms
+)]
+
+pub mod data_usage_define;
+pub mod error;
+pub mod last_minute;
+pub mod metrics;
+pub mod scanner;
+pub mod scanner_folder;
+pub mod scanner_io;
+
+pub use data_usage_define::*;
+pub use error::ScannerError;
+pub use scanner::init_data_scanner;