Add utility functions and configurations for rustfs-gui (#220)

* Initialize rustfs-gui crate

- Set up the `rustfs-gui` package in the workspace.
- Add `dioxus` dependency with `router` feature.
- Configure workspace settings for edition, license, repository, and rust-version.
- Include lints configuration for the workspace.

* Add utility functions and configurations for rustfs-gui

- Implement `RustFSConfig` struct with default values and methods for loading, saving, and clearing configurations.
- Add `ServiceCommand` enum for managing service commands.
- Implement `ServiceManager` struct for starting, stopping, and restarting the service.
- Include helper functions for checking service status, preparing the service, downloading files, and unzipping files.
- Add logging and error handling for service operations.

cli/rustfs-gui/src/utils/mod.rs

@@ -0,0 +1,4 @@
+mod config;
+mod helper;
+
+pub use config::RustFSConfig;