loongson/mirror: links for placasregpy

loongson/mirror PlacasRegPY-1.2.2.tar.gz
loongson/mirror PlacasRegPY-1.2.2-py3-none-any.whl
loongson/mirror PlacasRegPY-1.2.1.tar.gz
loongson/mirror PlacasRegPY-1.2.1-py3-none-any.whl
loongson/mirror PlacasRegPY-1.2.tar.gz
loongson/mirror PlacasRegPY-1.2-py3-none-any.whl
loongson/mirror PlacasRegPY-1.1.tar.gz
loongson/mirror PlacasRegPY-1.1-py3-none-any.whl