Release v0.2.1 - Zig Language Support

New Features

• Zig Language Support: Added support for .zig files in code indexing and searching
  • Files with .zig extension are now automatically indexed
  • Code search and analysis work seamlessly with Zig source files
  • Thanks to @jedisct1 for the contribution!

Technical Details

• Updated supported file extensions to include .zig
• Enhanced documentation to reflect Zig language support
• All existing MCP tools (search_code, find_files, get_file_summary) now work with Zig files

Documentation

• Updated README.md with Zig language in supported languages list
• Updated Chinese documentation (README_zh.md)