fix/Adding the email report as an attachment

[reanbrenda]

What type of PR is this?

• Country Information

  • Added country field to all email schemas and templates
  • Displays ISO country code (e.g., "KEN", "USA") in emails

• PDF Attachments

  • Created email/src/lib/pdf-generator.ts for PDF generation
  • Added puppeteer: ^24.10.2 dependency
  • Integrated PDF generation into email service
  • Professional PDF reports with data quality metrics

Summary

This PR updates email DQ reports to include:

• Country information (ISO codes)
• Detailed PDF attachments with comprehensive data quality metrics