loongson/pypi: links for py-mcp-travelplanner

loongson/mirror py_mcp_travelplanner-0.1.20.tar.gz
loongson/mirror py_mcp_travelplanner-0.1.20-py3-none-any.whl
loongson/mirror py_mcp_travelplanner-0.1.17.tar.gz
loongson/mirror py_mcp_travelplanner-0.1.17-py3-none-any.whl
loongson/mirror py_mcp_travelplanner-0.1.16.tar.gz
loongson/mirror py_mcp_travelplanner-0.1.16-py3-none-any.whl