v1.0.0: URL-to-PDF + Doc Site Crawler

- Single URL to PDF via Puppeteer (Chrome headless)
- Doc Site Crawler: crawl entire documentation sites
  - Auto-extract all pages from TOC navigation
  - 20-page batch processing with browser restart (anti-OOM)
  - Output: PDF + Markdown
- Flask-style HTTP server on port 8099
- Deployed at https://pdf.donton.cloud/url2pdf

package.json

@@ -0,0 +1,15 @@
+{
+  "name": "url2pdf",
+  "version": "1.0.0",
+  "description": "",
+  "main": "pdf.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "puppeteer": "^25.0.4"
+  }
+}