Add DBDraw.io to ecosystem data

[pinei]

Summary

• Added DBDraw.io to the list of community projects/editors.
• DBDraw.io is a tool to create flexible ER diagrams seamlessly synchronized with DBML and Mermaid.

Issue

N/A (Direct contribution)

Lasting Changes (Technical)

• Added a new project entry to the list array containing name, description, href, author, and categories.

Checklist

Please check directly on the box once each of these are done

• Documentation (if necessary)
• Updated dbml-homepage/static/llms.txt (if docs/features changed)
• Lint Checks Passed
• Unit Tests Passed
• Coverage Tests Passed
• Integration Tests Passed
• Code Review