loongson/pypi: links for rapidgui

loongson/mirror rapidgui-0.0.13b0.tar.gz
loongson/mirror rapidgui-0.0.13b0-py2.py3-none-any.whl
loongson/mirror rapidgui-0.0.12b0.tar.gz
loongson/mirror rapidgui-0.0.12b0-py2.py3-none-any.whl
loongson/mirror rapidgui-0.0.11b0.tar.gz
loongson/mirror rapidgui-0.0.11b0-py2.py3-none-any.whl