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/vite.config.ts

@@ -0,0 +1,30 @@
+import tailwindcss from "@tailwindcss/vite"
+import react from "@vitejs/plugin-react"
+import { defineConfig, loadEnv } from "vite"
+
+export default defineConfig(({ mode }) => {
+  const environment = loadEnv(mode, process.cwd(), "")
+
+  return {
+    plugins: [react(), tailwindcss()],
+    resolve: {
+      alias: {
+        "@": `${import.meta.dirname}/src`,
+      },
+    },
+    server: {
+      host: "0.0.0.0",
+      port: 5173,
+      proxy: {
+        "/api": {
+          changeOrigin: true,
+          target: environment.VITE_DEV_API_TARGET ?? "http://localhost:8000",
+        },
+        "/healthz": {
+          changeOrigin: true,
+          target: environment.VITE_DEV_API_TARGET ?? "http://localhost:8000",
+        },
+      },
+    },
+  }
+})