build: avoid PWA OOM on small VPS (heap + skip PDF precache)

- Set NODE_OPTIONS max-old-space-size=3072 for tsc and vite build
- Workbox globIgnores PDFs; drop resume.pdf from PWA includeAssets

Made-with: Cursor

package.json

@@ -14,7 +14,7 @@
   },
   "scripts": {
     "dev": "vite",
-    "build": "tsc && vite build",
+    "build": "NODE_OPTIONS=--max-old-space-size=3072 tsc && NODE_OPTIONS=--max-old-space-size=3072 vite build",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "lint:fix": "eslint . --fix --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "prettier": "prettier --check \"./**/*.{js,jsx,ts,tsx,css,md,json}\"",