loongson/mirror: links for canvasgroupy

loongson/mirror canvasgroupy-0.1.0.tar.gz
loongson/mirror canvasgroupy-0.1.0-py3-none-any.whl
loongson/mirror CanvasGroupy-0.0.3.tar.gz
loongson/mirror CanvasGroupy-0.0.3-py3-none-any.whl