v0.8.1

Added

• Animated demo GIF showing real failure diagnosis workflow
• Architecture diagram in README Development section
• Minimal tool example in CONTRIBUTING.md for new contributors
• .env.example with all configuration variables documented
• Documentation URL in PyPI metadata sidebar
• Codecov coverage upload in CI pipeline

Changed

• README opening reordered: outcome tagline and demo GIF before install command
• Badge row centered with HTML for consistent presentation
• CONTRIBUTING.md rewritten for tools/ package (was referencing removed tools.py)
• CONTRIBUTING.md now shows annotations as @mcp.tool() args with title parameter

Fixed

• CONTRIBUTING.md referenced non-existent src/mcp_zuul/tools.py (split into tools/ package since v0.5.0)