feat: initialize zhixing-web with React, React Router, and Tailwind CSS

- Set up the main application structure with App component and routing.
- Implemented global state management for UI theme using Zustand.
- Created API utilities for fetching system status.
- Developed system status page with responsive design and theme toggle.
- Added testing setup with Vitest and initial tests for system status page.
- Configured TypeScript with appropriate settings for the application.
- Integrated Tailwind CSS for styling and responsive design.
- Established Vite configuration for development and testing environments.

zhixing-web/src/shared/config/ui-store.ts

@@ -0,0 +1,20 @@
+import { create } from "zustand"
+import { persist } from "zustand/middleware"
+
+type Theme = "dark" | "light"
+
+interface UiState {
+  theme: Theme
+  toggleTheme: () => void
+}
+
+export const useUiStore = create<UiState>()(
+  persist(
+    (set) => ({
+      theme: "light",
+      toggleTheme: () =>
+        set((state) => ({ theme: state.theme === "light" ? "dark" : "light" })),
+    }),
+    { name: "zhixing-ui" },
+  ),
+)