Enhance documentation with new features: added dark/light/system theme support, instructions page, and application catalog. Updated API and domain model for app management and automatic migrations on startup. Improved frontend structure with new routes and features for user instructions and app management.

frontend/vite.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+import tailwindcss from '@tailwindcss/vite'
+
+// Бэкенд для dev-прокси (Api слушает http://localhost:8080). См. docs/frontend.md.
+const apiTarget = process.env.VITE_API_TARGET ?? 'http://localhost:8080'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react(), tailwindcss()],
+  server: {
+    proxy: {
+      '/api': { target: apiTarget, changeOrigin: true },
+      '/hubs': { target: apiTarget, changeOrigin: true, ws: true },
+    },
+  },
+  build: {
+    outDir: 'dist',
+  },
+})