Disable prerender crawling to prevent subfolder generation

- Added crawlLinks: false to prevent automatic route discovery
- Only prerender root route and essential files
- Results in clean SPA deployment without subfolder structure

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

nuxt.config.ts

@@ -1,6 +1,12 @@
 // https://nuxt.com/docs/api/configuration/nuxt-config
 export default defineNuxtConfig({
   ssr: false,  // SPA 모드 활성화
+  nitro: {
+    prerender: {
+      routes: ['/'],  // 오직 루트 페이지만 prerender
+      crawlLinks: false  // 자동 크롤링 비활성화
+    }
+  },
   app: {
     head: {
       titleTemplate: '',