feat: добавить новый backend и cabinet

- добавлен новый Nest backend для auth, projects и project access tokens
- добавлена control-plane схема БД и миграция Drizzle
- перенесён старый backend в old-backend
- добавлен React/Vite cabinet с auth-only входом и Mantine layout
- обновлены workspace scripts и lockfile

apps/cabinet/vite.config.ts

@@ -0,0 +1,31 @@
+import { fileURLToPath, URL } from 'node:url'
+
+import react from '@vitejs/plugin-react'
+import { defineConfig } from 'vite'
+
+const srcPath = (path: string) => fileURLToPath(new URL(`./src/${path}`, import.meta.url))
+const backendProxyTarget = process.env.CABINET_BACKEND_PROXY_TARGET ?? 'http://localhost:3001'
+
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: {
+      app: srcPath('app'),
+      layouts: srcPath('layouts'),
+      screens: srcPath('screens'),
+      widgets: srcPath('widgets'),
+      business: srcPath('business'),
+      infra: srcPath('infra'),
+      ui: srcPath('ui'),
+      shared: srcPath('shared'),
+    },
+  },
+  server: {
+    proxy: {
+      '/api': {
+        changeOrigin: true,
+        target: backendProxyTarget,
+      },
+    },
+  },
+})