loongson/mirror: links for ipytracer

loongson/mirror ipytracer-0.2.2.post1.tar.gz
loongson/mirror ipytracer-0.2.2.tar.gz
loongson/mirror ipytracer-0.2.1.tar.gz
loongson/mirror ipytracer-0.2.0.tar.gz
loongson/mirror ipytracer-0.1.1.post1.tar.gz