loongson/mirror: links for caldav-server-tester

loongson/mirror caldav_server_tester-1.0.0.tar.gz
loongson/mirror caldav_server_tester-1.0.0-py3-none-any.whl
loongson/mirror caldav_server_tester-0.2.2.tar.gz
loongson/mirror caldav_server_tester-0.2.2-py3-none-any.whl
loongson/mirror caldav_server_tester-0.1.0.tar.gz
loongson/mirror caldav_server_tester-0.1.0-py3-none-any.whl