feat(docs): add orq ai community provider documentation and reference

[bflorezdev]

Add ORQ AI Community Provider Documentation

Summary

This PR adds comprehensive documentation for the ORQ AI community provider
(@orq-ai/vercel-provider) to the Vercel AI SDK documentation site.

Changes

• Added ORQ AI to the providers list in 02-foundations/02-providers-and-models.mdx
• Created complete documentation page at 03-community-providers/101-orq-ai.mdx covering:
  • Provider setup and installation
  • Language model usage with examples
  • Embedding models
  • Image generation capabilities
  • Advanced configuration options
  • Platform features (routing, monitoring, A/B testing, cost optimization)

Why This Change?

ORQ AI provides a unified platform for AI model deployment and routing with automatic failover,
performance monitoring, and cost optimization. This documentation helps developers integrate ORQ
AI's capabilities with the Vercel AI SDK ecosystem.

Documentation Includes

• ✅ Installation instructions
• ✅ Provider configuration
• ✅ Code examples for text generation, streaming, embeddings, and image generation
• ✅ Advanced features and platform capabilities
• ✅ Links to external resources and API documentation