v6.21.0 - Add Makefile Parameters for MCP Config and API Keys

This release adds support for specifying external MCP configuration and API key files via Makefile parameters (MCP_CONFIG_PATH and API_KEYS_FILE).

Release v6.18.1

6.18.1 - 2025-08-10

Changed

• Updated README with correct project URL.

Added

• Added MIT License file.
• Added CONTRIBUTING.md file.