Initialize rustfs-gui crate (#219)

- 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.

cli/rustfs-gui/tailwind.config.js

@@ -0,0 +1,8 @@
+module.exports = {
+  mode: "all",
+  content: ["./src/**/*.{rs,html,css}", "./dist/**/*.html"],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+};