gituser/pypi: links for chuk-mcp-echo

gituser/pypi chuk_mcp_echo-0.1.2.tar.gz
gituser/pypi chuk_mcp_echo-0.1.2-py3-none-any.whl
gituser/pypi chuk_mcp_echo-0.1.1.tar.gz
gituser/pypi chuk_mcp_echo-0.1.1-py3-none-any.whl