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/vitest.config.ts

@@ -0,0 +1,15 @@
+import react from "@vitejs/plugin-react"
+import { defineConfig } from "vitest/config"
+
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: {
+      "@": `${import.meta.dirname}/src`,
+    },
+  },
+  test: {
+    environment: "jsdom",
+    setupFiles: ["./src/test/setup.ts"],
+  },
+})