feat: добавить рабочий dashboard admin

- добавлен Mantine theme provider и AppShell layout\n- сгенерирован Backend API клиент и добавлены infra/business хуки\n- добавлены таблица assets, detail/presets panels и create asset modal

apps/admin/vite.config.ts

@@ -4,6 +4,7 @@ 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.ADMIN_BACKEND_PROXY_TARGET ?? "http://localhost:3001"
 
 export default defineConfig({
   plugins: [react()],
@@ -19,4 +20,12 @@ export default defineConfig({
       shared: srcPath("shared"),
     },
   },
+  server: {
+    proxy: {
+      "/api": {
+        changeOrigin: true,
+        target: backendProxyTarget,
+      },
+    },
+  },
 })