Update .gitignore with Node.js and additional ignore rules

Add comprehensive ignore patterns for Node.js projects, build artifacts, logs, and temporary files.

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

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

.gitignore

@@ -1,6 +1,21 @@
 # Environment variables
 .env
 .env.local
+.env.production
+
+# Node.js
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+.npm
+.yarn/
+dist/
+build/
+*.tsbuildinfo
+.next/
+out/
 
 # Python
 __pycache__/
@@ -12,6 +27,8 @@ venv/
 env/
 ENV/
 .venv
+*.egg-info/
+.pytest_cache/
 
 # OCR outputs (optional - uncomment if you don't want to track OCR results)
 # Raw/*/OCR/
@@ -35,3 +52,18 @@ Thumbs.db
 
 # PDF files
 *.pdf
+
+# Logs
+*.log
+logs/
+
+# Temporary files
+*.tmp
+*.temp
+.cache/
+
+# Build artifacts
+*.exe
+*.dll
+*.so
+*.dylib