gen-ai-proxy 0.9.1

• Added embedding endpoints
• Bumped go version
• Cleanup of codebase

gen-ai-proxy 0.9.0

• Track token usage per model/provider
• Exposes Prometheus metrics - ready for Grafana dashboards
• Supports OpenAI-compatible endpoints
• Multiple models/providers per user
• API-key base auth
• full Docker-compose deployment