feat: add GHCR publishing pipeline for enhanced MCP distribution

[MicBun]

Added GitHub Container Registry (GHCR) publishing workflow and updated documentation to support automated Docker image distribution for the TRUF.NETWORK enhanced PostgreSQL MCP server.

Changes Made

Infrastructure

• Added .github/workflows/publish-ghcr.yml
  • Multi-platform Docker builds (linux/amd64, linux/arm64)
  • Automatic publishing to ghcr.io/trufnetwork/postgres-mcp:latest
  • Triggered on main branch pushes, tags, and manual dispatch
  • GitHub Actions cache optimization for faster builds

Documentation

• Updated README.md
  • Featured GHCR Docker image as primary installation method
  • Added comprehensive Docker setup instructions with SSE transport
  • Enhanced TRUF.NETWORK feature documentation
  • Included Claude Desktop SSE configuration guide
  • Added business intelligence use cases and examples

Configuration

• Updated pyproject.toml
  • Added linting exclusions to protect working SQL query code

Business Impact

• Improved Distribution: Streamlined deployment with official container registry
• Enhanced User Experience: Better documentation and setup guides
• Production Ready: SSE transport support for enterprise deployments
• Developer Productivity: Automated publishing reduces manual release overhead

Technical Notes

• Multi-platform Docker builds ensure compatibility across different architectures
• GitHub Actions workflow follows security best practices with minimal permissions
• Container image tagged appropriately for version management
• Documentation emphasizes TRUF.NETWORK's unique blockchain analytics capabilities

resolves: trufnetwork/node#1148

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✨ Finishing touches

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment

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[holdex]

Time Submission Status

Member	Status	Time	Action	Last Update
@MicBun	❌ Missing	-	⚠️ Submit time	-