loongson/pypi: links for pegasus-theme

loongson/mirror pegasus.theme-1.4.tar.gz
loongson/mirror pegasus.theme-1.3.tar.gz
loongson/mirror pegasus.theme-1.2.2.tar.gz
loongson/mirror pegasus.theme-1.2.1.tar.gz
loongson/mirror pegasus.theme-1.2.tar.gz
loongson/mirror pegasus.theme-1.1.tar.gz