Databrain integration documentation

[rahulpat]

Add Databrain Integration Documentation

Summary

This PR adds comprehensive documentation for integrating Databrain, an embedded analytics platform, with ClickHouse. The documentation provides step-by-step instructions for connecting Databrain to ClickHouse and building customer-facing dashboards and visualizations.

Changes Made

• New Documentation: Added complete integration guide at docs/integrations/data-visualization/community_integrations/databrain-and-clickhouse.md

  • Connection setup instructions
  • Prerequisites and requirements
  • IP whitelisting guidance
  • User permission configuration
  • Usage examples for metrics, visualizations, and dashboards
  • Troubleshooting section
  • Links to additional resources

• Assets: Added supporting visual assets

  • Databrain logo SVG (static/images/integrations/logos/databrain.svg)
  • 5 screenshot images showing the integration workflow

• Integration Grid: Updated IntegrationGrid.tsx to include Databrain in the visualization tools listing

• Index Updates: Updated integration index pages across all language versions (EN, JP, RU, ZH) to include the new integration

Documentation Features

• Community-maintained badge included
• Comprehensive troubleshooting section
• Advanced features overview (custom SQL, multi-tenancy, AI insights, embedded analytics)
• Performance optimization tips
• External documentation links

Testing

• ✅ Documentation follows ClickHouse style guide
• ✅ All links and references verified
• ✅ Images properly referenced and displayed
• ✅ Markdown formatting validated

[vercel]

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[CLAassistant]

All committers have signed the CLA.

[rahulpat]

cc @laeg