v0.2.2 — MCP registry metadata

Distribution release — no code changes vs 0.2.1.

Added

• MCP registry metadata so clockify-mcp can be listed in the MCP directories:
  • server.json for the official registry (registry.modelcontextprotocol.io) + <!-- mcp-name --> marker in the README.
  • glama.json (Glama).
  • Smithery MCPB bundle (bundle/manifest.json + scripts/build-mcpb.sh).

Install: uvx clockify-mcp (or pip install clockify-mcp).