Added

• New get_most_recent_pdf MCP tool that finds the most recent Form 990 PDF filing for an organization
• New get_most_recent_pdf_filing method in API client that iterates through all filings to find the newest PDF
• One-click deployment buttons for DigitalOcean App Platform and Cloudflare Workers
• Comprehensive deployment guide (DEPLOYMENT.md) for cloud platforms
• Cloud deployment configurations (.do/deploy.template.yaml and wrangler.toml)

Changed

• Improved PDF detection logic to iterate through all filings starting from most recent year
• Updated README with deployment buttons and cloud deployment instructions

Fixed

• PDF availability detection now correctly finds older PDFs when recent years don't have PDFs available
• Fixed issue where organizations with PDFs available would incorrectly show "no PDFs found"